[INFO] fetching crate clk 0.2.0...
[INFO] testing clk-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate clk 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate clk 0.2.0
[INFO] finished tweaking crates.io crate clk 0.2.0
[INFO] tweaked toml for crates.io crate clk 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate clk 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate clk 0.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f1a7e59aa9ea48f68eade7a63192b68c5051a368bdfa19cca1ddebf79fc720e
[INFO] running `Command { std: "docker" "start" "-a" "0f1a7e59aa9ea48f68eade7a63192b68c5051a368bdfa19cca1ddebf79fc720e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1a7e59aa9ea48f68eade7a63192b68c5051a368bdfa19cca1ddebf79fc720e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1a7e59aa9ea48f68eade7a63192b68c5051a368bdfa19cca1ddebf79fc720e", kill_on_drop: false }`
[INFO] [stdout] 0f1a7e59aa9ea48f68eade7a63192b68c5051a368bdfa19cca1ddebf79fc720e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5e81559949f4e233d8e74787cf627a991fdae0c9f8f7394fb2d5fa5a4be809
[INFO] running `Command { std: "docker" "start" "-a" "fc5e81559949f4e233d8e74787cf627a991fdae0c9f8f7394fb2d5fa5a4be809", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling sqlformat v0.2.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tokio v1.38.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling url v2.5.2
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/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="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=904f741e8ab412c7 -C extra-filename=-ce6f28268db8838a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-eecd852ecd07e68a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4b33e2183b97895f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-472188a549d5cedb.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" "fc5e81559949f4e233d8e74787cf627a991fdae0c9f8f7394fb2d5fa5a4be809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5e81559949f4e233d8e74787cf627a991fdae0c9f8f7394fb2d5fa5a4be809", kill_on_drop: false }`
[INFO] [stdout] fc5e81559949f4e233d8e74787cf627a991fdae0c9f8f7394fb2d5fa5a4be809
