[INFO] fetching crate rust_l402 2.1.0-beta...
[INFO] testing rust_l402-2.1.0-beta against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust_l402 2.1.0-beta into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rust_l402 2.1.0-beta
[INFO] finished tweaking crates.io crate rust_l402 2.1.0-beta
[INFO] tweaked toml for crates.io crate rust_l402 2.1.0-beta written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_l402 2.1.0-beta 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 rust_l402 2.1.0-beta 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b5c3dea3e0df34dfdfff88ea2df1e7b53c25701ef9d6117dfd573007f31a2774
[INFO] running `Command { std: "docker" "start" "-a" "b5c3dea3e0df34dfdfff88ea2df1e7b53c25701ef9d6117dfd573007f31a2774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c3dea3e0df34dfdfff88ea2df1e7b53c25701ef9d6117dfd573007f31a2774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c3dea3e0df34dfdfff88ea2df1e7b53c25701ef9d6117dfd573007f31a2774", kill_on_drop: false }`
[INFO] [stdout] b5c3dea3e0df34dfdfff88ea2df1e7b53c25701ef9d6117dfd573007f31a2774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 47a57ef6e862866ac046f26e9fca90ba74558c6148235aa89e0242f2815f7942
[INFO] running `Command { std: "docker" "start" "-a" "47a57ef6e862866ac046f26e9fca90ba74558c6148235aa89e0242f2815f7942", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling cc v1.2.7
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling tokio-openssl v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling matchit v0.5.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling hyper-openssl v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling hex-conservative v0.2.1
[INFO] [stderr]    Compiling linked_hash_set v0.1.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling bech32 v0.11.0
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling sha2 v0.10.8
[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=867529b0afcb4af9 -C extra-filename=-06283f4b51c48a46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d926c62de0f6400c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8e689c7e7cb925d8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-479310822a796184.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" "47a57ef6e862866ac046f26e9fca90ba74558c6148235aa89e0242f2815f7942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a57ef6e862866ac046f26e9fca90ba74558c6148235aa89e0242f2815f7942", kill_on_drop: false }`
[INFO] [stdout] 47a57ef6e862866ac046f26e9fca90ba74558c6148235aa89e0242f2815f7942
