[INFO] cloning repository https://github.com/ducaale/ballistic-defence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducaale/ballistic-defence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fballistic-defence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fballistic-defence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f010be8d402ae981234e66cd4153c0f910839e00
[INFO] testing ducaale/ballistic-defence against 1.52.1 for beta-1.53-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducaale%2Fballistic-defence" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ducaale/ballistic-defence on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ducaale/ballistic-defence
[INFO] finished tweaking git repo https://github.com/ducaale/ballistic-defence
[INFO] tweaked toml for git repo https://github.com/ducaale/ballistic-defence written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ducaale/ballistic-defence already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.5
[INFO] [stderr]   Downloaded gfx v0.18.1
[INFO] [stderr]   Downloaded directories v2.0.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded base-x v0.2.5
[INFO] [stderr]   Downloaded gfx_window_glutin v0.30.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.47
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.47
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.1
[INFO] [stderr]   Downloaded claxon v0.4.2
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded toml v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded hashbrown v0.5.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.2
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.4
[INFO] [stderr]   Downloaded gif v0.10.2
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.7
[INFO] [stderr]   Downloaded stdweb v0.4.17
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded gilrs-core v0.2.2
[INFO] [stderr]   Downloaded bumpalo v2.4.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.1
[INFO] [stderr]   Downloaded smart-default v0.5.2
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded alga v0.9.1
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.47
[INFO] [stderr]   Downloaded gilrs v0.7.1
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded lyon_path v0.13.1
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded ggez v0.5.1
[INFO] [stderr]   Downloaded sid v0.5.2
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded winit v0.19.1
[INFO] [stderr]   Downloaded glutin v0.20.0
[INFO] [stderr]   Downloaded glyph_brush v0.5.3
[INFO] [stderr]   Downloaded libloading v0.5.1
[INFO] [stderr]   Downloaded gfx_core v0.9.1
[INFO] [stderr]   Downloaded podio v0.1.6
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.47
[INFO] [stderr]   Downloaded gfx_gl v0.6.0
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.3
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded rusttype v0.7.7
[INFO] [stderr]   Downloaded lyon v0.13.1
[INFO] [stderr]   Downloaded image v0.22.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.1
[INFO] [stderr]   Downloaded zip v0.5.2
[INFO] [stderr]   Downloaded rodio v0.9.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a1a26f02aee06a18b431440ee8669ad69de60e012d57511c6aea529c6e824d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a1a26f02aee06a18b431440ee8669ad69de60e012d57511c6aea529c6e824d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a1a26f02aee06a18b431440ee8669ad69de60e012d57511c6aea529c6e824d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1a26f02aee06a18b431440ee8669ad69de60e012d57511c6aea529c6e824d9", kill_on_drop: false }`
[INFO] [stdout] 2a1a26f02aee06a18b431440ee8669ad69de60e012d57511c6aea529c6e824d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 188a9b7e661126295056131926dc71f70496ea155aa859d05bafa5990a2a91be
[INFO] running `Command { std: "docker" "start" "-a" "188a9b7e661126295056131926dc71f70496ea155aa859d05bafa5990a2a91be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling directories v2.0.1
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling twox-hash v1.3.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.36/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=cfc61e22cdc14971 -C extra-filename=-cfc61e22cdc14971 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-be90bec3142fd19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c8827b0e2306a1fc.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-adcb63f10445ee25.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --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" "188a9b7e661126295056131926dc71f70496ea155aa859d05bafa5990a2a91be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188a9b7e661126295056131926dc71f70496ea155aa859d05bafa5990a2a91be", kill_on_drop: false }`
[INFO] [stdout] 188a9b7e661126295056131926dc71f70496ea155aa859d05bafa5990a2a91be