[INFO] fetching crate krocov 0.1.1...
[INFO] testing krocov-0.1.1 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate krocov 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate krocov 0.1.1
[INFO] finished tweaking crates.io crate krocov 0.1.1
[INFO] tweaked toml for crates.io crate krocov 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate krocov 0.1.1 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 krocov 0.1.1 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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e
[INFO] running `Command { std: "docker" "start" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e", 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" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e" "/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" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e", 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" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling thiserror v2.0.6
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling gix-trace v0.1.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling jiff v0.1.15
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling gix-utils v0.1.13
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling prodash v29.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.99
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling futures-lite v2.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling gix-sec v0.10.10
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling vergen-lib v0.1.5
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling vergen v9.0.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.99
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling vergen-gix v1.0.3
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling unicase v2.8.0
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling isahc v0.9.14
[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-2.0.90/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=eb1a770dc1ed1ab0 -C extra-filename=-aeade970c4c60b04 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fd35229a7aafef5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-613a9a8297b4bd99.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-239eb5de21455cec.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" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e", kill_on_drop: false }`
[INFO] [stdout] dc1b9cf7086fc65e888952813168b612ce41b0a9798157efd3e4888298c3629e
