[INFO] fetching crate melminter 0.9.0...
[INFO] documenting melminter-0.9.0 against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] extracting crate melminter 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate melminter 0.9.0
[INFO] finished tweaking crates.io crate melminter 0.9.0
[INFO] tweaked toml for crates.io crate melminter 0.9.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate melminter 0.9.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melminter 0.9.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a49ffe23b3c049db2576e898bd59e2c77467ee5763d1ee747044bb09b4e0d267
[INFO] running `Command { std: "docker" "start" "-a" "a49ffe23b3c049db2576e898bd59e2c77467ee5763d1ee747044bb09b4e0d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49ffe23b3c049db2576e898bd59e2c77467ee5763d1ee747044bb09b4e0d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49ffe23b3c049db2576e898bd59e2c77467ee5763d1ee747044bb09b4e0d267", kill_on_drop: false }`
[INFO] [stdout] a49ffe23b3c049db2576e898bd59e2c77467ee5763d1ee747044bb09b4e0d267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d54c00320d788b26f7db74b1677faf8e0124ae6b0a41fa467504f5ae2376c5d3
[INFO] running `Command { std: "docker" "start" "-a" "d54c00320d788b26f7db74b1677faf8e0124ae6b0a41fa467504f5ae2376c5d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking piper v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking async-channel v2.3.0
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking blocking v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking async-executor v1.11.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking defmac v0.2.1
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]    Compiling moka v0.9.9
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr] error: could not compile `rustix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustix --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.34/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="event"' --cfg 'feature="fs"' --cfg 'feature="libc-extra-traits"' --cfg 'feature="net"' --cfg 'feature="pipe"' --cfg 'feature="process"' --cfg 'feature="std"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all-apis", "alloc", "cc", "default", "event", "fs", "io_uring", "itoa", "libc", "libc-extra-traits", "libc_errno", "linux_4_11", "linux_latest", "mm", "mount", "net", "once_cell", "param", "pipe", "process", "procfs", "pty", "rand", "runtime", "rustc-dep-of-std", "shm", "std", "stdio", "system", "termios", "thread", "time", "use-explicitly-provided-auxv", "use-libc", "use-libc-auxv"))' -C metadata=df74d5ddc9668c73 -C extra-filename=-d912655ab7deed9d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6b5f6111b78be742.rmeta --extern linux_raw_sys=/opt/rustwide/target/debug/deps/liblinux_raw_sys-504a4096bc9d7a1d.rmeta --cap-lints allow --cap-lints=warn --cfg static_assertions --cfg linux_raw --cfg linux_like --cfg linux_kernel` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=e3394bdfa97d545c -C extra-filename=-9311c89ba193d8b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-df896672a98f0776.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-23aad6dfefdce3e8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d54c00320d788b26f7db74b1677faf8e0124ae6b0a41fa467504f5ae2376c5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54c00320d788b26f7db74b1677faf8e0124ae6b0a41fa467504f5ae2376c5d3", kill_on_drop: false }`
[INFO] [stdout] d54c00320d788b26f7db74b1677faf8e0124ae6b0a41fa467504f5ae2376c5d3