[INFO] fetching crate zeph-experiments 0.21.4...
[INFO] checking zeph-experiments-0.21.4 against try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] extracting crate zeph-experiments 0.21.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zeph-experiments 0.21.4
[INFO] finished tweaking crates.io crate zeph-experiments 0.21.4
[INFO] tweaked toml for crates.io crate zeph-experiments 0.21.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zeph-experiments 0.21.4 on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zeph-experiments 0.21.4 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" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde
[INFO] running `Command { std: "docker" "start" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde", 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" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]     Checking log v0.4.31
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling aws-lc-rs v1.17.0
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking http v1.4.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling cc v1.2.63
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.50
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling rustls-pki-types v1.14.1
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking bitflags v2.12.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling crc-catalog v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]     Checking rapidhash v4.4.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking winnow v1.0.3
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking metrics v0.24.6
[INFO] [stderr]     Checking uuid v1.23.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.41.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling blake3 v1.8.5
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking hybrid-array v0.4.12
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking mime_guess v2.0.5
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling zeph-db v0.21.4
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking toml_edit v0.25.12+spec-1.1.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking rand_distr v0.6.0
[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/2cbf9c3ff35600794d69a7dc7ab399810a067910/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=38efe9c620ca8d0f -C extra-filename=-ae6c806947fc9697 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde", kill_on_drop: false }`
[INFO] [stdout] e8931be056ad2818bfd43ee90bb890f58c5f3da3228ba9a98fc24b1eb9464bde
