[INFO] cloning repository https://github.com/nambrosini/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nambrosini/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnambrosini%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnambrosini%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22e43028a75cfcc37f3c0b0a37f3216e03ffc53c
[INFO] documenting nambrosini/snake against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnambrosini%2Fsnake" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nambrosini/snake
[INFO] finished tweaking git repo https://github.com/nambrosini/snake
[INFO] tweaked toml for git repo https://github.com/nambrosini/snake written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nambrosini/snake on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 273 packages to highest compatible versions
[INFO] [stderr]       Adding ggez v0.5.1 (available: v0.10.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded camino v1.2.6
[INFO] [stderr]   Downloaded rand_core v0.4.3
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded rand_core v0.3.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded minimp3 v0.3.5
[INFO] [stderr]   Downloaded ogg v0.7.1
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded glyph_brush v0.6.3
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.9
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded image v0.22.5
[INFO] [stderr]   Downloaded gilrs v0.7.4
[INFO] [stderr]   Downloaded rusty-xinput v1.3.0
[INFO] [stderr]   Downloaded gilrs-core v0.2.6
[INFO] [stderr]   Downloaded gfx v0.18.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c
[INFO] running `Command { std: "docker" "start" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling xml-rs v0.8.29
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rand_core v0.4.3
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.61
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand_core v0.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling camino v1.2.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.46
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking hound v3.5.1
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/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=d0d9621217e9d9c5 -C extra-filename=-025354edee5f4c15 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9777a2717d7b7d19.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-12eb74adb1fe7137.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7d090ccf0d71aea6.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c", kill_on_drop: false }`
[INFO] [stdout] 137d206bb6712fb44b62f61bc67b3f81a52f90a53e6250556cf2f365ec585d4c