[INFO] cloning repository https://github.com/yifen9/c-labkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yifen9/c-labkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifen9%2Fc-labkit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifen9%2Fc-labkit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35522e87ab6892b243b10f646761648804032bea
[INFO] testing yifen9/c-labkit against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifen9%2Fc-labkit" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yifen9/c-labkit
[INFO] finished tweaking git repo https://github.com/yifen9/c-labkit
[INFO] tweaked toml for git repo https://github.com/yifen9/c-labkit written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yifen9/c-labkit on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yifen9/c-labkit 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-utils v8.7.2
[INFO] [stderr]   Downloaded assert_cmd v2.0.17
[INFO] [stderr]   Downloaded rust-embed-impl v8.7.2
[INFO] [stderr]   Downloaded float-cmp v0.10.0
[INFO] [stderr]   Downloaded shellexpand v3.1.1
[INFO] [stderr]   Downloaded flate2 v1.1.4
[INFO] [stderr]   Downloaded cc v1.2.41
[INFO] [stderr]   Downloaded regex v1.12.1
[INFO] [stderr]   Downloaded env_home v0.1.0
[INFO] [stderr]   Downloaded rust-embed v8.7.2
[INFO] [stderr]   Downloaded which v8.0.0
[INFO] [stderr]   Downloaded regex-automata v0.4.12
[INFO] [stderr]   Downloaded wait-timeout v0.2.1
[INFO] [stderr]   Downloaded rustls-webpki v0.103.7
[INFO] [stderr]   Downloaded regex-syntax v0.8.7
[INFO] [stderr]   Downloaded webpki-roots v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccfb7cc831991b9962d603f8c9b38954936623321e9202dbfd68611b9aa2711c
[INFO] running `Command { std: "docker" "start" "-a" "ccfb7cc831991b9962d603f8c9b38954936623321e9202dbfd68611b9aa2711c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfb7cc831991b9962d603f8c9b38954936623321e9202dbfd68611b9aa2711c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfb7cc831991b9962d603f8c9b38954936623321e9202dbfd68611b9aa2711c", kill_on_drop: false }`
[INFO] [stdout] ccfb7cc831991b9962d603f8c9b38954936623321e9202dbfd68611b9aa2711c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e3af123f9e68f206c5b9110a259ebf9b7c045ffbcd03c9668e8990b83074f5
[INFO] running `Command { std: "docker" "start" "-a" "68e3af123f9e68f206c5b9110a259ebf9b7c045ffbcd03c9668e8990b83074f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling regex-syntax v0.8.7
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling regex-automata v0.4.12
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling compression-core v0.4.29
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling webpki-roots v1.0.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling env_home 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/1.91.0-x86_64-unknown-linux-gnu/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"' --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=5d3ac7365522ffc3 -C extra-filename=-269d9b126d68cc6b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b0ad4bb2ceeb2775.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7a4f23232c02198e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-bcbe9b08b6cb0188.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "68e3af123f9e68f206c5b9110a259ebf9b7c045ffbcd03c9668e8990b83074f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e3af123f9e68f206c5b9110a259ebf9b7c045ffbcd03c9668e8990b83074f5", kill_on_drop: false }`
[INFO] [stdout] 68e3af123f9e68f206c5b9110a259ebf9b7c045ffbcd03c9668e8990b83074f5