[INFO] cloning repository https://github.com/emilfahlgren/RustPlayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emilfahlgren/RustPlayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilfahlgren%2FRustPlayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilfahlgren%2FRustPlayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5b770869557196c10d8f4ef7ac4556d27f3e54
[INFO] documenting emilfahlgren/RustPlayground against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilfahlgren%2FRustPlayground" "/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/emilfahlgren/RustPlayground
[INFO] finished tweaking git repo https://github.com/emilfahlgren/RustPlayground
[INFO] tweaked toml for git repo https://github.com/emilfahlgren/RustPlayground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emilfahlgren/RustPlayground 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 git repo https://github.com/emilfahlgren/RustPlayground 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] 5965561b7d3020bb29f494b612a5544d28341f8053b7666260590afd5ecbb224
[INFO] running `Command { std: "docker" "start" "-a" "5965561b7d3020bb29f494b612a5544d28341f8053b7666260590afd5ecbb224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5965561b7d3020bb29f494b612a5544d28341f8053b7666260590afd5ecbb224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5965561b7d3020bb29f494b612a5544d28341f8053b7666260590afd5ecbb224", kill_on_drop: false }`
[INFO] [stdout] 5965561b7d3020bb29f494b612a5544d28341f8053b7666260590afd5ecbb224
[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] e11d2b19c3248071ed810c71da8b3171625a521da29f93118b2cb835d00ba97e
[INFO] running `Command { std: "docker" "start" "-a" "e11d2b19c3248071ed810c71da8b3171625a521da29f93118b2cb835d00ba97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking getrandom v0.2.13
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling roxmltree v0.19.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling fontconfig-parser v0.5.6
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling fontdb v0.16.2
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-executor v1.9.1
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking cursor-icon v1.1.0
[INFO] [stderr]     Checking unicode-script v0.5.6
[INFO] [stderr]     Checking unicode-properties v0.1.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling kurbo v0.10.4
[INFO] [stderr]    Compiling toml_edit v0.21.1
[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/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=abecb38c0f0e67d3 -C extra-filename=-6746acd05c19952c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c5ce22d0e52d48b1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-584fa1f2cf46d6be.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] [stderr] warning: build failed, waiting for other jobs to finish...
[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-0.38.32/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="default"' --cfg 'feature="event"' --cfg 'feature="fs"' --cfg 'feature="mm"' --cfg 'feature="net"' --cfg 'feature="pipe"' --cfg 'feature="process"' --cfg 'feature="shm"' --cfg 'feature="std"' --cfg 'feature="system"' --cfg 'feature="thread"' --cfg 'feature="time"' --cfg 'feature="use-libc-auxv"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all-apis", "alloc", "cc", "default", "event", "fs", "io_uring", "itoa", "libc", "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=50943e45936c1dae -C extra-filename=-13f4378e0a4c852e --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-d411bd4bc8734f0d.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] 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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.58/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="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=2ca5f9a2ee37800d -C extra-filename=-6521583cfc4cc98c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c5ce22d0e52d48b1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-584fa1f2cf46d6be.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e11d2b19c3248071ed810c71da8b3171625a521da29f93118b2cb835d00ba97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11d2b19c3248071ed810c71da8b3171625a521da29f93118b2cb835d00ba97e", kill_on_drop: false }`
[INFO] [stdout] e11d2b19c3248071ed810c71da8b3171625a521da29f93118b2cb835d00ba97e