[INFO] cloning repository https://github.com/mushrowan/railscale
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mushrowan/railscale" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmushrowan%2Frailscale", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmushrowan%2Frailscale'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14fd01267141665bcbcc82bd814c4b44c5daf1e7
[INFO] checking mushrowan/railscale against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmushrowan%2Frailscale" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mushrowan/railscale
[INFO] finished tweaking git repo https://github.com/mushrowan/railscale
[INFO] tweaked toml for git repo https://github.com/mushrowan/railscale written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mushrowan/railscale on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mushrowan/railscale 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.dependencies.nixcfg.subdirectory
[INFO] [stderr] warning: unused field `authors` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | authors = ["mushrowan"]
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.authors`
[INFO] [stderr] warning: unused field `repository` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | repository = "https://github.com/mushrowan/railscale"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.repository`
[INFO] [stderr] warning: workspace (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5
[INFO] running `Command { std: "docker" "start" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5", 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" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5", 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 --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: workspace.dependencies.nixcfg.subdirectory
[INFO] [stderr] warning: unused field `authors` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | authors = ["mushrowan"]
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.authors`
[INFO] [stderr] warning: unused field `repository` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | repository = "https://github.com/mushrowan/railscale"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.repository`
[INFO] [stderr] warning: workspace (manifest) generated 3 warnings
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling bigdecimal v0.4.10
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling rust_decimal v1.40.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling snow v0.10.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]     Checking whoami v1.6.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.13.3
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]     Checking ipnetwork v0.21.1
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking uuid v1.22.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.39.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v22.0.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]     Checking spinning_top v0.3.0
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking nonzero_ext v0.3.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking nonempty v0.7.0
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[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/40527f3e444fde1deb361751bdef9b9e11d1b971/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=38efe9c620ca8d0f -C extra-filename=-4fb9c63831478b1b --out-dir /opt/rustwide/target/debug/build/syn/4fb9c63831478b1b/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/8de8e1b8418f28f4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/a0e7040ffc91db0d/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/8de8e1b8418f28f4/out/libproc_macro2-8de8e1b8418f28f4.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/24cbe51d23129fd2/out/libquote-24cbe51d23129fd2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/a0e7040ffc91db0d/out/libunicode_ident-a0e7040ffc91db0d.rmeta --cap-lints allow --cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5", kill_on_drop: false }`
[INFO] [stdout] b1bc42ba7d335ad057aaba9c746bde3f45b96d647e1789984874f6e201f1cbf5
