[INFO] fetching crate darkroom 0.9.1...
[INFO] testing darkroom-0.9.1 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate darkroom 0.9.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate darkroom 0.9.1
[INFO] finished tweaking crates.io crate darkroom 0.9.1
[INFO] tweaked toml for crates.io crate darkroom 0.9.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate darkroom 0.9.1 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate darkroom 0.9.1 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" "+1.98.0-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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a
[INFO] running `Command { std: "docker" "start" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a", 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" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a", 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" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling miniz_oxide v0.8.4
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling quick-xml v0.32.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling built v0.7.6
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling ttf-parser v0.24.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling ring v0.17.9
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling fontconfig-parser v0.5.7
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[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/1.98.0-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-2.0.98/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"' --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=11be6c731daf06d0 -C extra-filename=-47f11830c1986821 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c794981a18dc2262.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5a30f309c3b09dbf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8f02949389562b0d.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" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a", kill_on_drop: false }`
[INFO] [stdout] a774b36c079817446461b4e4a22c2ce822bf89400dda7fbc378386af3e55160a
