[INFO] fetching crate amethyst_tiles 0.3.0...
[INFO] testing amethyst_tiles-0.3.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate amethyst_tiles 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate amethyst_tiles 0.3.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_tiles 0.3.0
[INFO] finished tweaking crates.io crate amethyst_tiles 0.3.0
[INFO] tweaked toml for crates.io crate amethyst_tiles 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] 5ba2a30656c1349114ac5a7be6108040a27057b813a609deaa6bb0fee7057f8f
[INFO] running `Command { std: "docker" "start" "-a" "5ba2a30656c1349114ac5a7be6108040a27057b813a609deaa6bb0fee7057f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba2a30656c1349114ac5a7be6108040a27057b813a609deaa6bb0fee7057f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba2a30656c1349114ac5a7be6108040a27057b813a609deaa6bb0fee7057f8f", kill_on_drop: false }`
[INFO] [stdout] 5ba2a30656c1349114ac5a7be6108040a27057b813a609deaa6bb0fee7057f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb903baac21d345d0785f12230d0b3b6f2857cfd1dcbadc3a388a1fb723d9cbe
[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" "bb903baac21d345d0785f12230d0b3b6f2857cfd1dcbadc3a388a1fb723d9cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling amethyst_error v0.5.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tynm v0.1.4
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling andrew v0.2.1
[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-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=fc3571c5f5f5299d -C extra-filename=-fc3571c5f5f5299d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e0d6471eaa05250c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-29ce17c65afe553b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4fb72579e70c2af6.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --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" "bb903baac21d345d0785f12230d0b3b6f2857cfd1dcbadc3a388a1fb723d9cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb903baac21d345d0785f12230d0b3b6f2857cfd1dcbadc3a388a1fb723d9cbe", kill_on_drop: false }`
[INFO] [stdout] bb903baac21d345d0785f12230d0b3b6f2857cfd1dcbadc3a388a1fb723d9cbe