[INFO] cloning repository https://github.com/tuzz/learning-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/learning-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a98428c0258c10d52ab7a401dc40aa84187adba
[INFO] documenting tuzz/learning-wgpu against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Flearning-wgpu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/learning-wgpu 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 git repo https://github.com/tuzz/learning-wgpu
[INFO] finished tweaking git repo https://github.com/tuzz/learning-wgpu
[INFO] tweaked toml for git repo https://github.com/tuzz/learning-wgpu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/learning-wgpu 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]     Blocking waiting for file lock on package cache
[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] [stdout] d78e757d6f9dcf20b7f00e50b2f256c779825c1199c5d88d66fbbba9cc120940
[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" "d78e757d6f9dcf20b7f00e50b2f256c779825c1199c5d88d66fbbba9cc120940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78e757d6f9dcf20b7f00e50b2f256c779825c1199c5d88d66fbbba9cc120940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78e757d6f9dcf20b7f00e50b2f256c779825c1199c5d88d66fbbba9cc120940", kill_on_drop: false }`
[INFO] [stdout] d78e757d6f9dcf20b7f00e50b2f256c779825c1199c5d88d66fbbba9cc120940
[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] [stdout] f86b373b6e61285197be417a2ecc4f68474abbad90faf2addead8b7243c64976
[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" "f86b373b6e61285197be417a2ecc4f68474abbad90faf2addead8b7243c64976", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.11
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-backend-empty v0.5.2
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr] error: could not compile `gfx-backend-vulkan`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gfx_backend_vulkan --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-backend-vulkan-0.5.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="x11"' -C metadata=f7f1eac7d4646bc2 -C extra-filename=-f7f1eac7d4646bc2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-f2cd2c5e96178f40.rmeta --extern ash=/opt/rustwide/target/debug/deps/libash-08d409810a025ed1.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-461198e3a3e1689c.rmeta --extern hal=/opt/rustwide/target/debug/deps/libgfx_hal-fce69843da0f88aa.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ac06bd6dcdabb547.rmeta --extern raw_window_handle=/opt/rustwide/target/debug/deps/libraw_window_handle-9fbb5b1a8cec3134.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3ef2372b985694a3.rmeta --extern x11=/opt/rustwide/target/debug/deps/libx11-282fff5e37651b69.rmeta --cap-lints allow -L native=/usr/lib/x86_64-linux-gnu` (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" "f86b373b6e61285197be417a2ecc4f68474abbad90faf2addead8b7243c64976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86b373b6e61285197be417a2ecc4f68474abbad90faf2addead8b7243c64976", kill_on_drop: false }`
[INFO] [stdout] f86b373b6e61285197be417a2ecc4f68474abbad90faf2addead8b7243c64976
