[INFO] fetching crate mdbook_rash 2.21.0...
[INFO] checking mdbook_rash-2.21.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate mdbook_rash 2.21.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mdbook_rash 2.21.0
[INFO] finished tweaking crates.io crate mdbook_rash 2.21.0
[INFO] tweaked toml for crates.io crate mdbook_rash 2.21.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook_rash 2.21.0 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 crates.io crate mdbook_rash 2.21.0 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: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mdbook_rash` (manifest) generated 1 warning
[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] ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a
[INFO] running `Command { std: "docker" "start" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a", 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" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a", 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" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mdbook_rash` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking hashbrown v0.17.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]    Compiling aws-lc-rs v1.16.3
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking cmov v0.5.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling aws-types v1.3.15
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking winnow v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]     Checking regex-lite v0.1.9
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking hybrid-array v0.4.10
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling web_atoms v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.13.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking crypto-common v0.2.1
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking string_cache v0.9.0
[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/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" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a", kill_on_drop: false }`
[INFO] [stdout] ad74d96722e73b14cce130b4aed669b04403e1f7ebdf35dfa72efef8d40b970a
