[INFO] fetching crate ash-tray 0.17.0...
[INFO] checking ash-tray-0.17.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ash-tray 0.17.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ash-tray 0.17.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ash-tray 0.17.0
[INFO] finished tweaking crates.io crate ash-tray 0.17.0
[INFO] tweaked toml for crates.io crate ash-tray 0.17.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] running `Command { std: "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10e0efbc27d6e1c80fa920175e3014f091692c9820429bc0d44def29f13153e
[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" "c10e0efbc27d6e1c80fa920175e3014f091692c9820429bc0d44def29f13153e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10e0efbc27d6e1c80fa920175e3014f091692c9820429bc0d44def29f13153e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10e0efbc27d6e1c80fa920175e3014f091692c9820429bc0d44def29f13153e", kill_on_drop: false }`
[INFO] [stdout] c10e0efbc27d6e1c80fa920175e3014f091692c9820429bc0d44def29f13153e
[INFO] running `Command { std: "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] 20542b7c5a3606f08c570750ef9d8e767e400e654555f77facefabdcba97115c
[INFO] running `Command { std: "docker" "start" "-a" "20542b7c5a3606f08c570750ef9d8e767e400e654555f77facefabdcba97115c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking glsl-to-spirv-macros v0.1.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling imgui-sys v0.4.0
[INFO] [stderr]    Compiling ash-tray v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr] warning: In file included from wrapper/vma_lib.cpp:2:
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h: In member function 'virtual bool VmaBlockMetadata_Generic::Validate() const':
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:9122:40: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
[INFO] [stderr] warning:  9122 |             VMA_VALIDATE(subAlloc.size >= VMA_DEBUG_MARGIN);
[INFO] [stderr] warning:       |                                        ^
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:6492:38: note: in definition of macro 'VMA_VALIDATE'
[INFO] [stderr] warning:  6492 | #define VMA_VALIDATE(cond) do { if(!(cond)) { \
[INFO] [stderr] warning:       |                                      ^~~~
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h: In member function 'bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress(uint32_t, uint32_t, VkDeviceSize, VkDeviceSize, VkDeviceSize, VmaSuballocationType, bool, uint32_t, VmaAllocationRequest*)':
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:11007:25: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
[INFO] [stderr] warning: 11007 |         if(resultOffset < VMA_DEBUG_MARGIN)
[INFO] [stderr] warning:       |                         ^
[INFO] [stderr] warning: In file included from /usr/include/c++/9/cassert:44,
[INFO] [stderr] warning:                  from vendor/src/vk_mem_alloc.h:4105,
[INFO] [stderr] warning:                  from wrapper/vma_lib.cpp:2:
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h: In member function 'VkResult VmaDeviceMemoryBlock::WriteMagicValueAroundAllocation(VmaAllocator, VkDeviceSize, VkDeviceSize)':
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:12497:28: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
[INFO] [stderr] warning: 12497 |     VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN);
[INFO] [stderr] warning:       |                            ^
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:12497:5: note: in expansion of macro 'VMA_ASSERT'
[INFO] [stderr] warning: 12497 |     VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN);
[INFO] [stderr] warning:       |     ^~~~~~~~~~
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h: In member function 'VkResult VmaDeviceMemoryBlock::ValidateMagicValueAroundAllocation(VmaAllocator, VkDeviceSize, VkDeviceSize)':
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:12517:28: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
[INFO] [stderr] warning: 12517 |     VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN);
[INFO] [stderr] warning:       |                            ^
[INFO] [stderr] warning: vendor/src/vk_mem_alloc.h:12517:5: note: in expansion of macro 'VMA_ASSERT'
[INFO] [stderr] warning: 12517 |     VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN);
[INFO] [stderr] warning:       |     ^~~~~~~~~~
[INFO] [stderr] warning: At global scope:
[INFO] [stderr] warning: cc1plus: warning: unrecognized command line option '-Wno-unused-private-field'
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking imgui v0.4.0
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr] error: could not compile `smithay-client-toolkit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name smithay_client_toolkit /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smithay-client-toolkit-0.6.6/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=1cbd2edcd28cae84 -C extra-filename=-1cbd2edcd28cae84 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern andrew=/opt/rustwide/target/debug/deps/libandrew-dd47b23bdb1128f9.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-240d294e8e0ea2cd.rmeta --extern dlib=/opt/rustwide/target/debug/deps/libdlib-3bab37e4e9279b8b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-b154c04d5e8dddb6.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-47a506e20d9eab3e.rmeta --extern wayland_client=/opt/rustwide/target/debug/deps/libwayland_client-9fb829a8a296d2db.rmeta --extern wayland_protocols=/opt/rustwide/target/debug/deps/libwayland_protocols-331d8a24c2bddde2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "20542b7c5a3606f08c570750ef9d8e767e400e654555f77facefabdcba97115c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20542b7c5a3606f08c570750ef9d8e767e400e654555f77facefabdcba97115c", kill_on_drop: false }`
[INFO] [stdout] 20542b7c5a3606f08c570750ef9d8e767e400e654555f77facefabdcba97115c