[INFO] crate vkn-raw 0.0.1 is already in cache
[INFO] checking vkn-raw-0.0.1 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate vkn-raw 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vkn-raw 0.0.1 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vkn-raw 0.0.1
[INFO] finished tweaking crates.io crate vkn-raw 0.0.1
[INFO] tweaked toml for crates.io crate vkn-raw 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 801ce00716262e045b15cc978594241d25debb53fc5d9d068714174cdc64b7ed
[INFO] running `"docker" "start" "-a" "801ce00716262e045b15cc978594241d25debb53fc5d9d068714174cdc64b7ed"`
[INFO] [stderr]    Compiling bindgen v0.26.3
[INFO] [stderr]    Compiling vkn-raw v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: environment variable `VULKAN_PATH` not defined
[INFO] [stderr]   --> build.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |         .header(concat!(env!("VULKAN_PATH"), "/include/vulkan/vulkan.h"))
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `vkn-raw`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "801ce00716262e045b15cc978594241d25debb53fc5d9d068714174cdc64b7ed"`
[INFO] running `"docker" "rm" "-f" "801ce00716262e045b15cc978594241d25debb53fc5d9d068714174cdc64b7ed"`
[INFO] [stdout] 801ce00716262e045b15cc978594241d25debb53fc5d9d068714174cdc64b7ed