[INFO] fetching crate benchmarker 0.9.0...
[INFO] documenting benchmarker-0.9.0 against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] extracting crate benchmarker 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate benchmarker 0.9.0
[INFO] finished tweaking crates.io crate benchmarker 0.9.0
[INFO] tweaked toml for crates.io crate benchmarker 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate benchmarker 0.9.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate benchmarker 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81aa3fe0ff64598d1a115553a6f234f807d71aa157ed1da1a9b217dc3bfa4bb1
[INFO] running `Command { std: "docker" "start" "-a" "81aa3fe0ff64598d1a115553a6f234f807d71aa157ed1da1a9b217dc3bfa4bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81aa3fe0ff64598d1a115553a6f234f807d71aa157ed1da1a9b217dc3bfa4bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81aa3fe0ff64598d1a115553a6f234f807d71aa157ed1da1a9b217dc3bfa4bb1", kill_on_drop: false }`
[INFO] [stdout] 81aa3fe0ff64598d1a115553a6f234f807d71aa157ed1da1a9b217dc3bfa4bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c064cf3fb2d479472a9fb1ff174e0ef37fe5f4c8192d86f9a531c5ba022afcff
[INFO] running `Command { std: "docker" "start" "-a" "c064cf3fb2d479472a9fb1ff174e0ef37fe5f4c8192d86f9a531c5ba022afcff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking owned_ttf_parser v0.18.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking ab_glyph v0.2.20
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking memmap2 v0.5.9
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling toml_edit v0.18.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]    Compiling winit v0.28.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.4.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.7
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/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="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=7ffb321ddff67d03 -C extra-filename=-b22fb26398f90002 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6ee610895838fb9b.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-fc02a6f63c7f72ea.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1eaf1a94e8859ef3.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-83aac9a6a4bc3aff.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 `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.107/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="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=8ceb7245c01c207a -C extra-filename=-dd0c27a5dac35ae1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b58bd03775d780cd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9042c268dd1b6826.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-10a489e9ee5e13be.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c064cf3fb2d479472a9fb1ff174e0ef37fe5f4c8192d86f9a531c5ba022afcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c064cf3fb2d479472a9fb1ff174e0ef37fe5f4c8192d86f9a531c5ba022afcff", kill_on_drop: false }`
[INFO] [stdout] c064cf3fb2d479472a9fb1ff174e0ef37fe5f4c8192d86f9a531c5ba022afcff