[INFO] fetching crate ddc_bucket 0.5.1...
[INFO] checking ddc_bucket-0.5.1 against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] extracting crate ddc_bucket 0.5.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ddc_bucket 0.5.1
[INFO] finished tweaking crates.io crate ddc_bucket 0.5.1
[INFO] tweaked toml for crates.io crate ddc_bucket 0.5.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ddc_bucket 0.5.1 on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "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" "+df1b9bf194c9183fb7c0604484171064069ce232" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 132 packages to latest compatible versions
[INFO] [stderr]       Adding ink_allocator v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_env v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_lang v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_lang_codegen v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_lang_ir v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_lang_macro v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_metadata v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_prelude v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_primitives v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_storage v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding ink_storage_derive v3.0.0-rc4 (available: v3.4.0)
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (available: v3.7.5)
[INFO] [stderr]       Adding scale-info v0.6.0 (available: v2.11.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a72456686327e46f4c82543ec9f61650a392c510dfbcf9a2aa80639bba7ffb
[INFO] running `Command { std: "docker" "start" "-a" "67a72456686327e46f4c82543ec9f61650a392c510dfbcf9a2aa80639bba7ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a72456686327e46f4c82543ec9f61650a392c510dfbcf9a2aa80639bba7ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a72456686327e46f4c82543ec9f61650a392c510dfbcf9a2aa80639bba7ffb", kill_on_drop: false }`
[INFO] [stdout] 67a72456686327e46f4c82543ec9f61650a392c510dfbcf9a2aa80639bba7ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b52ab9efd95232b6ae2cecaa6639c60761cd7b7e4e116882c3f2954e8bdecf
[INFO] running `Command { std: "docker" "start" "-a" "88b52ab9efd95232b6ae2cecaa6639c60761cd7b7e4e116882c3f2954e8bdecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking ink_prelude v3.0.0-rc4
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ink_allocator v3.0.0-rc4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[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/df1b9bf194c9183fb7c0604484171064069ce232/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 -C overflow-checks=off --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"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=2a91a8a4dbdc90e3 -C extra-filename=-a23621ece2f8c224 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-85a81cd06cd87c2d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6cb242b62d3d55d8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3f1fdeeb087e4304.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" "88b52ab9efd95232b6ae2cecaa6639c60761cd7b7e4e116882c3f2954e8bdecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b52ab9efd95232b6ae2cecaa6639c60761cd7b7e4e116882c3f2954e8bdecf", kill_on_drop: false }`
[INFO] [stdout] 88b52ab9efd95232b6ae2cecaa6639c60761cd7b7e4e116882c3f2954e8bdecf