[INFO] fetching crate crystal-engine 0.4.0...
[INFO] testing crystal-engine-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate crystal-engine 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crystal-engine 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crystal-engine 0.4.0
[INFO] finished tweaking crates.io crate crystal-engine 0.4.0
[INFO] tweaked toml for crates.io crate crystal-engine 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1f3fe8fa6ec8a956a555e9ab7824a9085e3a75c56b79ad237f4dd235cab90b3
[INFO] running `Command { std: "docker" "start" "-a" "c1f3fe8fa6ec8a956a555e9ab7824a9085e3a75c56b79ad237f4dd235cab90b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f3fe8fa6ec8a956a555e9ab7824a9085e3a75c56b79ad237f4dd235cab90b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f3fe8fa6ec8a956a555e9ab7824a9085e3a75c56b79ad237f4dd235cab90b3", kill_on_drop: false }`
[INFO] [stdout] c1f3fe8fa6ec8a956a555e9ab7824a9085e3a75c56b79ad237f4dd235cab90b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e421f71e871bdc2fbc9fae49e527b2bac41d2a85ef024441fe687dfef0924554
[INFO] running `Command { std: "docker" "start" "-a" "e421f71e871bdc2fbc9fae49e527b2bac41d2a85ef024441fe687dfef0924554", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling mint v0.5.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling string-interner v0.7.1
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling indextree v4.3.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling vk-sys v0.5.3
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling array-init v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling fbxcel v0.6.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fbxcel-dom v0.0.5
[INFO] [stderr]    Compiling genmesh v0.6.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling obj v0.10.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.74/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=6ac3d105baf8cf19 -C extra-filename=-6ac3d105baf8cf19 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4ad853a01b52ac03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8388bbcd500a3679.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-521ae656dc054791.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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e421f71e871bdc2fbc9fae49e527b2bac41d2a85ef024441fe687dfef0924554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e421f71e871bdc2fbc9fae49e527b2bac41d2a85ef024441fe687dfef0924554", kill_on_drop: false }`
[INFO] [stdout] e421f71e871bdc2fbc9fae49e527b2bac41d2a85ef024441fe687dfef0924554
