[INFO] crate vkn-raw 0.0.1 is already in cache
[INFO] testing vkn-raw-0.0.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate vkn-raw 0.0.1 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate vkn-raw 0.0.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d10b665959a82e015d6f112df76223bef88bf66782f9fe5705f5148a8ecfa5e1
[INFO] running `"docker" "start" "-a" "d10b665959a82e015d6f112df76223bef88bf66782f9fe5705f5148a8ecfa5e1"`
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling quasi v0.32.0
[INFO] [stderr]    Compiling quasi_codegen v0.32.0
[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" "d10b665959a82e015d6f112df76223bef88bf66782f9fe5705f5148a8ecfa5e1"`
[INFO] running `"docker" "rm" "-f" "d10b665959a82e015d6f112df76223bef88bf66782f9fe5705f5148a8ecfa5e1"`
[INFO] [stdout] d10b665959a82e015d6f112df76223bef88bf66782f9fe5705f5148a8ecfa5e1