[INFO] fetching crate lime-ui 0.1.0...
[INFO] documenting lime-ui-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate lime-ui 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lime-ui 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lime-ui 0.1.0
[INFO] finished tweaking crates.io crate lime-ui 0.1.0
[INFO] tweaked toml for crates.io crate lime-ui 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 7d00cbdc541223a8e5fe1f4aadbdf52990e9da4c7b99995876dcde3338f34e37
[INFO] running `Command { std: "docker" "start" "-a" "7d00cbdc541223a8e5fe1f4aadbdf52990e9da4c7b99995876dcde3338f34e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d00cbdc541223a8e5fe1f4aadbdf52990e9da4c7b99995876dcde3338f34e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d00cbdc541223a8e5fe1f4aadbdf52990e9da4c7b99995876dcde3338f34e37", kill_on_drop: false }`
[INFO] [stdout] 7d00cbdc541223a8e5fe1f4aadbdf52990e9da4c7b99995876dcde3338f34e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c43359b1030c23a53c08f9113d870333bf9c616df2d3b3aa568899ae6320f99
[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" "4c43359b1030c23a53c08f9113d870333bf9c616df2d3b3aa568899ae6320f99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling vulkano v0.9.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking shrev v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/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="aster"' --cfg 'feature="default"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=f3a9a692aef5b23f -C extra-filename=-f3a9a692aef5b23f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-1532109a6bf7c0a0.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-03a2d5b4dc582049.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f4789f1add347db3.rmeta --cap-lints allow` (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" "4c43359b1030c23a53c08f9113d870333bf9c616df2d3b3aa568899ae6320f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c43359b1030c23a53c08f9113d870333bf9c616df2d3b3aa568899ae6320f99", kill_on_drop: false }`
[INFO] [stdout] 4c43359b1030c23a53c08f9113d870333bf9c616df2d3b3aa568899ae6320f99