[INFO] fetching crate imgui-vulkano-renderer 0.7.3...
[INFO] documenting imgui-vulkano-renderer-0.7.3 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate imgui-vulkano-renderer 0.7.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imgui-vulkano-renderer 0.7.3 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 imgui-vulkano-renderer 0.7.3
[INFO] finished tweaking crates.io crate imgui-vulkano-renderer 0.7.3
[INFO] tweaked toml for crates.io crate imgui-vulkano-renderer 0.7.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imgui-vulkano-renderer 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dfcec838d2f4bae028b90723b81e121928c21ac65241b21c4bb9190b6c04f28f
[INFO] running `Command { std: "docker" "start" "-a" "dfcec838d2f4bae028b90723b81e121928c21ac65241b21c4bb9190b6c04f28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcec838d2f4bae028b90723b81e121928c21ac65241b21c4bb9190b6c04f28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcec838d2f4bae028b90723b81e121928c21ac65241b21c4bb9190b6c04f28f", kill_on_drop: false }`
[INFO] [stdout] dfcec838d2f4bae028b90723b81e121928c21ac65241b21c4bb9190b6c04f28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 824a5cc83311fd8c0346ae3e6ca78364f7cba42a0a539a44c173226eef9ca8cb
[INFO] running `Command { std: "docker" "start" "-a" "824a5cc83311fd8c0346ae3e6ca78364f7cba42a0a539a44c173226eef9ca8cb", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking chlorine v1.0.7
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling vk-parse v0.6.0
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling shaderc-sys v0.7.1
[INFO] [stderr]    Compiling vulkano v0.24.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.56/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=1fc7149de065229a -C extra-filename=-1fc7149de065229a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-540b6631119ce641.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-78fa2bb1cf53b619.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-12009cf1a2496f6d.rmeta --cap-lints allow --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: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "824a5cc83311fd8c0346ae3e6ca78364f7cba42a0a539a44c173226eef9ca8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824a5cc83311fd8c0346ae3e6ca78364f7cba42a0a539a44c173226eef9ca8cb", kill_on_drop: false }`
[INFO] [stdout] 824a5cc83311fd8c0346ae3e6ca78364f7cba42a0a539a44c173226eef9ca8cb
