[INFO] fetching crate mdbook_rash 2.17.2...
[INFO] testing mdbook_rash-2.17.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mdbook_rash 2.17.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mdbook_rash 2.17.2
[INFO] finished tweaking crates.io crate mdbook_rash 2.17.2
[INFO] tweaked toml for crates.io crate mdbook_rash 2.17.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook_rash 2.17.2 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 crates.io crate mdbook_rash 2.17.2 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 schemars_derive v1.0.5
[INFO] [stderr]   Downloaded rustify_derive v0.5.4
[INFO] [stderr]   Downloaded unsafe-libyaml-norway v0.2.15
[INFO] [stderr]   Downloaded schemars v1.0.5
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded env_home v0.1.0
[INFO] [stderr]   Downloaded wit-bindgen v0.45.1
[INFO] [stderr]   Downloaded console v0.16.1
[INFO] [stderr]   Downloaded opener v0.8.3
[INFO] [stderr]   Downloaded normpath v1.4.0
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded serde-error v0.1.3
[INFO] [stderr]   Downloaded wasi v0.14.5+wasi-0.2.4
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded mdbook v0.4.52
[INFO] [stderr]   Downloaded minijinja v2.12.0
[INFO] [stderr]   Downloaded prs-lib v0.5.5
[INFO] [stderr]   Downloaded ipc-channel v0.20.2
[INFO] [stderr]   Downloaded fern v0.7.1
[INFO] [stderr]   Downloaded rust_decimal v1.37.2
[INFO] [stderr]   Downloaded ofiles v0.2.0
[INFO] [stderr]   Downloaded byte-unit v5.1.6
[INFO] [stderr]   Downloaded globset v0.4.18
[INFO] [stderr]   Downloaded web-sys v0.3.78
[INFO] [stderr]   Downloaded ignore v0.4.25
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded wasip2 v1.0.0+wasi-0.2.4
[INFO] [stderr]   Downloaded time v0.3.43
[INFO] [stderr]   Downloaded serde_with v3.15.1
[INFO] [stderr]   Downloaded memo-map v0.3.3
[INFO] [stderr]   Downloaded secstr v0.5.1
[INFO] [stderr]   Downloaded winsafe v0.0.19
[INFO] [stderr]   Downloaded deranged v0.5.3
[INFO] [stderr]   Downloaded jemallocator v0.5.4
[INFO] [stderr]   Downloaded which v8.0.0
[INFO] [stderr]   Downloaded serde_with_macros v3.15.1
[INFO] [stderr]   Downloaded jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]   Downloaded similar v2.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.51
[INFO] [stderr]   Downloaded js-sys v0.3.78
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.101
[INFO] [stderr]   Downloaded rustify v0.6.1
[INFO] [stderr]   Downloaded vaultrs v0.7.4
[INFO] [stderr]   Downloaded regex-automata v0.4.12
[INFO] [stderr]   Downloaded topological-sort v0.2.2
[INFO] [stderr]   Downloaded indexmap v2.11.1
[INFO] [stderr]   Downloaded serde_norway v0.9.42
[INFO] [stderr]   Downloaded git-state v0.1.0
[INFO] [stderr]   Downloaded rash_derive v2.17.2
[INFO] [stderr]   Downloaded windows-sys v0.61.0
[INFO] [stderr]   Downloaded rash_core v2.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 991bcd5aa0a496e2a4412b689433e7f4b28190810f77913a911aeb5624b57ae9
[INFO] running `Command { std: "docker" "start" "-a" "991bcd5aa0a496e2a4412b689433e7f4b28190810f77913a911aeb5624b57ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991bcd5aa0a496e2a4412b689433e7f4b28190810f77913a911aeb5624b57ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991bcd5aa0a496e2a4412b689433e7f4b28190810f77913a911aeb5624b57ae9", kill_on_drop: false }`
[INFO] [stdout] 991bcd5aa0a496e2a4412b689433e7f4b28190810f77913a911aeb5624b57ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ed4852f8e9ec1449c7a8c7bba9bbf570c50d4f1b0e57ceff513495798f6bd0e7
[INFO] running `Command { std: "docker" "start" "-a" "ed4852f8e9ec1449c7a8c7bba9bbf570c50d4f1b0e57ceff513495798f6bd0e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling regex-automata v0.4.12
[INFO] [stderr]    Compiling prs-lib v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[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-2.0.108/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=564106f2ec54a992 -C extra-filename=-672e90fb3c4b94da --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8ab27b08cf5de0b0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dd6284a2d423bbc0.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] [stderr] error: could not compile `futures-util` (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 futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=4ff91439e57b977b -C extra-filename=-5a9377e5eb2c2b35 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-02dcfccd95bac8dd.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-afc827f01ba74cbf.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-621c85196699b484.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-7ae12210ff8c1a31.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e24015c2db9bc87e.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-838971c4926b66e8.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-fbb4663921dd3b6f.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-12350a253ebd6c4f.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ed4852f8e9ec1449c7a8c7bba9bbf570c50d4f1b0e57ceff513495798f6bd0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4852f8e9ec1449c7a8c7bba9bbf570c50d4f1b0e57ceff513495798f6bd0e7", kill_on_drop: false }`
[INFO] [stdout] ed4852f8e9ec1449c7a8c7bba9bbf570c50d4f1b0e57ceff513495798f6bd0e7