[INFO] cloning repository https://github.com/pointerliu/watchdog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pointerliu/watchdog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpointerliu%2Fwatchdog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpointerliu%2Fwatchdog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfe23b21b2941d674061d6f3d2148aeb240945e6
[INFO] testing pointerliu/watchdog against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpointerliu%2Fwatchdog" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pointerliu/watchdog
[INFO] finished tweaking git repo https://github.com/pointerliu/watchdog
[INFO] tweaked toml for git repo https://github.com/pointerliu/watchdog written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pointerliu/watchdog 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 git repo https://github.com/pointerliu/watchdog 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4464d5843532513dc87ec8062884f7109812c8bcbdd3ee6c894190f0b1b1712a
[INFO] running `Command { std: "docker" "start" "-a" "4464d5843532513dc87ec8062884f7109812c8bcbdd3ee6c894190f0b1b1712a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4464d5843532513dc87ec8062884f7109812c8bcbdd3ee6c894190f0b1b1712a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4464d5843532513dc87ec8062884f7109812c8bcbdd3ee6c894190f0b1b1712a", kill_on_drop: false }`
[INFO] [stdout] 4464d5843532513dc87ec8062884f7109812c8bcbdd3ee6c894190f0b1b1712a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 65ddd8e5ce94d34742f2e98b6afc7ead11f1fe1d0d6ac3097c19102a2853301d
[INFO] running `Command { std: "docker" "start" "-a" "65ddd8e5ce94d34742f2e98b6afc7ead11f1fe1d0d6ac3097c19102a2853301d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling local-waker v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-lite v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling email_address v0.2.9
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling email-encoding v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling actix-service v2.0.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling quoted_printable v0.4.8
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling email-encoding v0.4.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling chumsky v0.9.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling quoted_printable v0.5.1
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=2cc677d26b5e5710 -C extra-filename=-e8bac13925c5d512 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1958698a91c173b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ae9bca3a7ac16c3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6572fa6bb87326c0.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65ddd8e5ce94d34742f2e98b6afc7ead11f1fe1d0d6ac3097c19102a2853301d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ddd8e5ce94d34742f2e98b6afc7ead11f1fe1d0d6ac3097c19102a2853301d", kill_on_drop: false }`
[INFO] [stdout] 65ddd8e5ce94d34742f2e98b6afc7ead11f1fe1d0d6ac3097c19102a2853301d