[INFO] fetching crate geng-core 0.6.0-alpha.8...
[INFO] documenting geng-core-0.6.0-alpha.8 against beta-2023-07-23 for beta-1.72-rustdoc-1
[INFO] extracting crate geng-core 0.6.0-alpha.8 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate geng-core 0.6.0-alpha.8 on toolchain beta-2023-07-23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geng-core 0.6.0-alpha.8
[INFO] finished tweaking crates.io crate geng-core 0.6.0-alpha.8
[INFO] tweaked toml for crates.io crate geng-core 0.6.0-alpha.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da9f2ac55292cc35a3cc54c5dbd218d39eda003903fc60e4151e26d96e57a7d1
[INFO] running `Command { std: "docker" "start" "-a" "da9f2ac55292cc35a3cc54c5dbd218d39eda003903fc60e4151e26d96e57a7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da9f2ac55292cc35a3cc54c5dbd218d39eda003903fc60e4151e26d96e57a7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9f2ac55292cc35a3cc54c5dbd218d39eda003903fc60e4151e26d96e57a7d1", kill_on_drop: false }`
[INFO] [stdout] da9f2ac55292cc35a3cc54c5dbd218d39eda003903fc60e4151e26d96e57a7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a237cb50524a7ac7a5acd31ecb09a70a73dca9066ce5856b1d61991671514c
[INFO] running `Command { std: "docker" "start" "-a" "29a237cb50524a7ac7a5acd31ecb09a70a73dca9066ce5856b1d61991671514c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling xml-rs v0.8.16
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling tinyfiledialogs v3.9.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling rand v0.7.3
[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-2023-07-23-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' -C metadata=54c109839eda4da2 -C extra-filename=-54c109839eda4da2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4ea27e7ac4e91ce0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2e40aed408a0832e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7d069a86bc2c3df6.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] running `Command { std: "docker" "inspect" "29a237cb50524a7ac7a5acd31ecb09a70a73dca9066ce5856b1d61991671514c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a237cb50524a7ac7a5acd31ecb09a70a73dca9066ce5856b1d61991671514c", kill_on_drop: false }`
[INFO] [stdout] 29a237cb50524a7ac7a5acd31ecb09a70a73dca9066ce5856b1d61991671514c