[INFO] cloning repository https://github.com/pisslake/nannou-testground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pisslake/nannou-testground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpisslake%2Fnannou-testground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpisslake%2Fnannou-testground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d73464de79efb64cf60c0024efce73cdf392bb27
[INFO] testing pisslake/nannou-testground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpisslake%2Fnannou-testground" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pisslake/nannou-testground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pisslake/nannou-testground
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/pisslake/nannou-testground
[INFO] tweaked toml for git repo https://github.com/pisslake/nannou-testground written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/pisslake/nannou-testground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7212dcfece33ec35c39c9fa2427b62550fa533d4574914f29a7100df5a04dc9
[INFO] running `Command { std: "docker" "start" "-a" "e7212dcfece33ec35c39c9fa2427b62550fa533d4574914f29a7100df5a04dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7212dcfece33ec35c39c9fa2427b62550fa533d4574914f29a7100df5a04dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7212dcfece33ec35c39c9fa2427b62550fa533d4574914f29a7100df5a04dc9", kill_on_drop: false }`
[INFO] [stdout] e7212dcfece33ec35c39c9fa2427b62550fa533d4574914f29a7100df5a04dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecb986baeb55d7dc6179303ddc0aaffa0fd1e2a69ebe1acb8b6acb719e740f9
[INFO] running `Command { std: "docker" "start" "-a" "1ecb986baeb55d7dc6179303ddc0aaffa0fd1e2a69ebe1acb8b6acb719e740f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling notosans v0.1.0
[INFO] [stderr]    Compiling conrod_winit v0.72.0
[INFO] [stderr]    Compiling svg v0.9.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling pennereq v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.65/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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=4f893e832c9eb5b3 -C extra-filename=-4f893e832c9eb5b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d01d47941f9d79c8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9bf62fabf5ce97ae.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-745589536fdb3b82.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: build failed
[INFO] running `Command { std: "docker" "inspect" "1ecb986baeb55d7dc6179303ddc0aaffa0fd1e2a69ebe1acb8b6acb719e740f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecb986baeb55d7dc6179303ddc0aaffa0fd1e2a69ebe1acb8b6acb719e740f9", kill_on_drop: false }`
[INFO] [stdout] 1ecb986baeb55d7dc6179303ddc0aaffa0fd1e2a69ebe1acb8b6acb719e740f9