[INFO] fetching crate cs_mwc_config 5.3.9...
[INFO] checking cs_mwc_config-5.3.9 against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] extracting crate cs_mwc_config 5.3.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cs_mwc_config 5.3.9
[INFO] finished tweaking crates.io crate cs_mwc_config 5.3.9
[INFO] tweaked toml for crates.io crate cs_mwc_config 5.3.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cs_mwc_config 5.3.9 on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cs_mwc_config 5.3.9 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc27226c3aa7dea70c913e942a83f17f5a6e4b146d0cbd0c3a370d646ec5a90b
[INFO] running `Command { std: "docker" "start" "-a" "dc27226c3aa7dea70c913e942a83f17f5a6e4b146d0cbd0c3a370d646ec5a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc27226c3aa7dea70c913e942a83f17f5a6e4b146d0cbd0c3a370d646ec5a90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc27226c3aa7dea70c913e942a83f17f5a6e4b146d0cbd0c3a370d646ec5a90b", kill_on_drop: false }`
[INFO] [stdout] dc27226c3aa7dea70c913e942a83f17f5a6e4b146d0cbd0c3a370d646ec5a90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c084c8bad850a3d01ae929285d93dacc2324397d8a55814018ed8f0d9661f72
[INFO] running `Command { std: "docker" "start" "-a" "4c084c8bad850a3d01ae929285d93dacc2324397d8a55814018ed8f0d9661f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking thread-id v4.2.2
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]    Compiling cs_mwc_secp256k1zkp v0.7.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling croaring-sys v2.1.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking socks v0.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking blocking v1.6.2
[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/349c4bfa6ac87b818f6fd19d4869c0b24790ac6a/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"' --cfg 'feature="visit"' --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=b9cfa5de7edb92d9 -C extra-filename=-cb3338a379882fee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "4c084c8bad850a3d01ae929285d93dacc2324397d8a55814018ed8f0d9661f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c084c8bad850a3d01ae929285d93dacc2324397d8a55814018ed8f0d9661f72", kill_on_drop: false }`
[INFO] [stdout] 4c084c8bad850a3d01ae929285d93dacc2324397d8a55814018ed8f0d9661f72