[INFO] cloning repository https://github.com/0x6b/c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x6b/c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x6b%2Fc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x6b%2Fc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80eb3f6745ed55d702481aea5cbf3f819c80004b
[INFO] checking 0x6b/c against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x6b%2Fc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0x6b/c
[INFO] finished tweaking git repo https://github.com/0x6b/c
[INFO] tweaked toml for git repo https://github.com/0x6b/c written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x6b/c on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x6b/c 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 921f46daf86eccd98b944b47e074e3d6fef4bab8b03b124204c6338ca2c0ee64
[INFO] running `Command { std: "docker" "start" "-a" "921f46daf86eccd98b944b47e074e3d6fef4bab8b03b124204c6338ca2c0ee64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921f46daf86eccd98b944b47e074e3d6fef4bab8b03b124204c6338ca2c0ee64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921f46daf86eccd98b944b47e074e3d6fef4bab8b03b124204c6338ca2c0ee64", kill_on_drop: false }`
[INFO] [stdout] 921f46daf86eccd98b944b47e074e3d6fef4bab8b03b124204c6338ca2c0ee64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf91f28a2db95a5d983f2dcda59042693c0cb8b0a9c84facbf69f2a499e7b2cc
[INFO] running `Command { std: "docker" "start" "-a" "cf91f28a2db95a5d983f2dcda59042693c0cb8b0a9c84facbf69f2a499e7b2cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.7
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking gix-trace v0.1.13
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking zlib-rs v0.5.2
[INFO] [stderr]     Checking bytesize v2.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking human_format v1.1.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking prodash v30.0.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking libz-rs-sys v0.5.2
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking sha1-checked v0.10.0
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking kstring v2.0.2
[INFO] [stderr]     Checking gix-sec v0.12.0
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling heck v0.5.0
[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/4e55a504843955c97eb06907c71f6f3e99208021/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=c649429ef6716413 -C extra-filename=-484b63466c0d8b78 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c8bc27c5b9d974a3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9d47e038b76df59f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-16b2ec8c6fbea794.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" "cf91f28a2db95a5d983f2dcda59042693c0cb8b0a9c84facbf69f2a499e7b2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf91f28a2db95a5d983f2dcda59042693c0cb8b0a9c84facbf69f2a499e7b2cc", kill_on_drop: false }`
[INFO] [stdout] cf91f28a2db95a5d983f2dcda59042693c0cb8b0a9c84facbf69f2a499e7b2cc