[INFO] fetching crate ic-cdk 0.20.2...
[INFO] checking ic-cdk-0.20.2 against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] extracting crate ic-cdk 0.20.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ic-cdk 0.20.2
[INFO] finished tweaking crates.io crate ic-cdk 0.20.2
[INFO] tweaked toml for crates.io crate ic-cdk 0.20.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ic-cdk 0.20.2 on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ic-cdk 0.20.2 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a
[INFO] running `Command { std: "docker" "start" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a", 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" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a", 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" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling stacker v0.1.24
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling candid_derive v0.10.29
[INFO] [stderr]    Compiling winnow v1.0.3
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ena v0.14.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]     Checking data-encoding v2.11.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling toml_edit v0.25.12+spec-1.1.0
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]    Compiling pretty v0.12.5
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking ic_principal v0.1.3
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling logos-codegen v0.14.4
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling leb128 v0.2.6
[INFO] [stderr]    Compiling ic-cdk-executor v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[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/b152f5575a2ac7126ae0019e4e679abe9399213e/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=9490acaae72a4c43 -C extra-filename=-c145a29cdb876f6d --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" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a", kill_on_drop: false }`
[INFO] [stdout] 8ffe73265f6c7a3a9905e2fda288fbffd8524dbb06b288b80ee253e90cb5a81a