[INFO] fetching crate research-master 0.1.40...
[INFO] checking research-master-0.1.40 against master#bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3 for pr-149328
[INFO] extracting crate research-master 0.1.40 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate research-master 0.1.40
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate research-master 0.1.40
[INFO] tweaked toml for crates.io crate research-master 0.1.40 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate research-master 0.1.40 on toolchain bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate research-master 0.1.40 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" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fb3528214e35f35b39411658b0ad9cc79abee8fbad11e9634de437a66d8d9ce
[INFO] running `Command { std: "docker" "start" "-a" "5fb3528214e35f35b39411658b0ad9cc79abee8fbad11e9634de437a66d8d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb3528214e35f35b39411658b0ad9cc79abee8fbad11e9634de437a66d8d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb3528214e35f35b39411658b0ad9cc79abee8fbad11e9634de437a66d8d9ce", kill_on_drop: false }`
[INFO] [stdout] 5fb3528214e35f35b39411658b0ad9cc79abee8fbad11e9634de437a66d8d9ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55249ecda85885dc2cf6ca746aec1a18376c7ac8a9d83cb804bcf4a18427857a
[INFO] running `Command { std: "docker" "start" "-a" "55249ecda85885dc2cf6ca746aec1a18376c7ac8a9d83cb804bcf4a18427857a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking zlib-rs v0.5.5
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling time-macros v0.2.26
[INFO] [stderr]     Checking deranged v0.5.5
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[INFO] [stderr]     Checking compression-core v0.4.31
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
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[INFO] [stderr]     Checking http-body-util v0.1.3
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[INFO] [stderr]     Checking supports-hyperlinks v3.2.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking iri-string v0.7.10
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking bumpalo v3.19.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking time v0.3.46
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking zopfli v0.8.3
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling openssl-src v300.5.4+3.5.4
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling pest v2.8.5
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking uuid v1.20.0
[INFO] [stderr]     Checking bzip2 v0.6.1
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[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/bb779a91568ac1ee0b8a9dcb6b69219ef30b18a3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=97d7726f98351cb7 -C extra-filename=-c9b48d6183064ef7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fec5599a7f184630.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de2c59b803aecfd0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "55249ecda85885dc2cf6ca746aec1a18376c7ac8a9d83cb804bcf4a18427857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55249ecda85885dc2cf6ca746aec1a18376c7ac8a9d83cb804bcf4a18427857a", kill_on_drop: false }`
[INFO] [stdout] 55249ecda85885dc2cf6ca746aec1a18376c7ac8a9d83cb804bcf4a18427857a