[INFO] fetching crate drawing-squares 0.1.0...
[INFO] testing drawing-squares-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate drawing-squares 0.1.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate drawing-squares 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drawing-squares 0.1.0
[INFO] finished tweaking crates.io crate drawing-squares 0.1.0
[INFO] tweaked toml for crates.io crate drawing-squares 0.1.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shader_version v0.7.0
[INFO] [stderr]   Downloaded wayland-client v0.28.6
[INFO] [stderr]   Downloaded wayland-sys v0.28.6
[INFO] [stderr]   Downloaded dlib v0.5.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.3
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded cty v0.2.2
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded draw_state v0.8.0
[INFO] [stderr]   Downloaded gfx_gl v0.6.1
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.2
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded gfx v0.18.2
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded piston2d-graphics v0.40.0
[INFO] [stderr]   Downloaded raw-window-handle v0.4.3
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.1
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.73.0
[INFO] [stderr]   Downloaded pistoncore-window v0.47.1
[INFO] [stderr]   Downloaded ndk-sys v0.2.2
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.69.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.1
[INFO] [stderr]   Downloaded piston_window v0.120.0
[INFO] [stderr]   Downloaded piston v0.53.1
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.5
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded xcursor v0.3.4
[INFO] [stderr]   Downloaded weezl v0.1.5
[INFO] [stderr]   Downloaded spin_sleep v1.1.1
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded gfx_core v0.9.2
[INFO] [stderr]   Downloaded wayland-cursor v0.28.6
[INFO] [stderr]   Downloaded piston-gfx_texture v0.41.0
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.4.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded gl_generator v0.13.1
[INFO] [stderr]   Downloaded wayland-egl v0.28.6
[INFO] [stderr]   Downloaded ndk v0.2.1
[INFO] [stderr]   Downloaded ndk-glue v0.2.1
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded wayland-protocols v0.28.6
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded wayland-scanner v0.28.6
[INFO] [stderr]   Downloaded wayland-commons v0.28.6
[INFO] [stderr]   Downloaded winit v0.24.0
[INFO] [stderr]   Downloaded x11-dl v2.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6279df3633db07bd584431ef5022ecdae65c0b0ee9607ad4ea2a4f5cd0966604
[INFO] running `Command { std: "docker" "start" "-a" "6279df3633db07bd584431ef5022ecdae65c0b0ee9607ad4ea2a4f5cd0966604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6279df3633db07bd584431ef5022ecdae65c0b0ee9607ad4ea2a4f5cd0966604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6279df3633db07bd584431ef5022ecdae65c0b0ee9607ad4ea2a4f5cd0966604", kill_on_drop: false }`
[INFO] [stdout] 6279df3633db07bd584431ef5022ecdae65c0b0ee9607ad4ea2a4f5cd0966604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b35273123b920c9a3e96cf441e4a962c14a30cfdfa017c668d975086e80ff4f2
[INFO] running `Command { std: "docker" "start" "-a" "b35273123b920c9a3e96cf441e4a962c14a30cfdfa017c668d975086e80ff4f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling spin_sleep v1.1.1
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling piston2d-graphics v0.40.0
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[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-1.0.91/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 -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"' -C metadata=25ced1518e8fc501 -C extra-filename=-25ced1518e8fc501 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adfd7b1b4588a8fe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa6c9ed6a3b65ac7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.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" "b35273123b920c9a3e96cf441e4a962c14a30cfdfa017c668d975086e80ff4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35273123b920c9a3e96cf441e4a962c14a30cfdfa017c668d975086e80ff4f2", kill_on_drop: false }`
[INFO] [stdout] b35273123b920c9a3e96cf441e4a962c14a30cfdfa017c668d975086e80ff4f2