[INFO] fetching crate replicante_util_iron 0.3.0...
[INFO] testing replicante_util_iron-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate replicante_util_iron 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate replicante_util_iron 0.3.0
[INFO] finished tweaking crates.io crate replicante_util_iron 0.3.0
[INFO] tweaked toml for crates.io crate replicante_util_iron 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate replicante_util_iron 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 283 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.8.0 (available: v0.14.0)
[INFO] [stderr]       Adding sentry v0.18.1 (available: v0.47.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] df8981d11eb98ebb5ce69e9cf5ee8a553f7ebfbc421da9fab456ed1ff05d0ffe
[INFO] running `Command { std: "docker" "start" "-a" "df8981d11eb98ebb5ce69e9cf5ee8a553f7ebfbc421da9fab456ed1ff05d0ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8981d11eb98ebb5ce69e9cf5ee8a553f7ebfbc421da9fab456ed1ff05d0ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8981d11eb98ebb5ce69e9cf5ee8a553f7ebfbc421da9fab456ed1ff05d0ffe", kill_on_drop: false }`
[INFO] [stdout] df8981d11eb98ebb5ce69e9cf5ee8a553f7ebfbc421da9fab456ed1ff05d0ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8f8e7857fc1c7369b1c1d5ef3af6df10186a97988cd2425e05c811340ef7af0e
[INFO] running `Command { std: "docker" "start" "-a" "8f8e7857fc1c7369b1c1d5ef3af6df10186a97988cd2425e05c811340ef7af0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling traitobject v0.1.1
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.114
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling typeable v0.1.2
[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-2.0.117/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=f50fd23ee619c33a -C extra-filename=-db35dfc171bce774 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.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" "8f8e7857fc1c7369b1c1d5ef3af6df10186a97988cd2425e05c811340ef7af0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8e7857fc1c7369b1c1d5ef3af6df10186a97988cd2425e05c811340ef7af0e", kill_on_drop: false }`
[INFO] [stdout] 8f8e7857fc1c7369b1c1d5ef3af6df10186a97988cd2425e05c811340ef7af0e
