[INFO] fetching crate conrod_vulkano 0.71.0...
[INFO] checking conrod_vulkano-0.71.0 against beta for pr-78714
[INFO] extracting crate conrod_vulkano 0.71.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate conrod_vulkano 0.71.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conrod_vulkano 0.71.0
[INFO] finished tweaking crates.io crate conrod_vulkano 0.71.0
[INFO] tweaked toml for crates.io crate conrod_vulkano 0.71.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate conrod_vulkano 0.71.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vk-sys v0.5.2
[INFO] [stderr]   Downloaded metal v0.17.1
[INFO] [stderr]   Downloaded vulkano-win v0.16.0
[INFO] [stderr]   Downloaded vulkano v0.16.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 549c761ffc17e40d83dd0e62d96b6e040c80c27427bca30564a729783d359f4e
[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" "549c761ffc17e40d83dd0e62d96b6e040c80c27427bca30564a729783d359f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549c761ffc17e40d83dd0e62d96b6e040c80c27427bca30564a729783d359f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549c761ffc17e40d83dd0e62d96b6e040c80c27427bca30564a729783d359f4e", kill_on_drop: false }`
[INFO] [stdout] 549c761ffc17e40d83dd0e62d96b6e040c80c27427bca30564a729783d359f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80dda4acaee4c245fac87bd9f4cff62719a72d5df804b047b42c92b59d676010
[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" "80dda4acaee4c245fac87bd9f4cff62719a72d5df804b047b42c92b59d676010", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking vk-sys v0.5.2
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking conrod_winit v0.71.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=802ee28d1d0bf9d3 -C extra-filename=-802ee28d1d0bf9d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b31c81520e08f43a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-82c6b0e33b42e760.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0ccfc045111cba9c.rmeta --cap-lints allow --cap-lints=forbid` (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" "80dda4acaee4c245fac87bd9f4cff62719a72d5df804b047b42c92b59d676010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dda4acaee4c245fac87bd9f4cff62719a72d5df804b047b42c92b59d676010", kill_on_drop: false }`
[INFO] [stdout] 80dda4acaee4c245fac87bd9f4cff62719a72d5df804b047b42c92b59d676010