[INFO] fetching crate gfx-backend-vulkan 0.9.0...
[INFO] checking gfx-backend-vulkan-0.9.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate gfx-backend-vulkan 0.9.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate gfx-backend-vulkan 0.9.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-vulkan 0.9.0
[INFO] finished tweaking crates.io crate gfx-backend-vulkan 0.9.0
[INFO] tweaked toml for crates.io crate gfx-backend-vulkan 0.9.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7732f805d11f66bb8d654efaa29a7b59ac7a24782ee2845062196600f0115d81
[INFO] running `Command { std: "docker" "start" "-a" "7732f805d11f66bb8d654efaa29a7b59ac7a24782ee2845062196600f0115d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7732f805d11f66bb8d654efaa29a7b59ac7a24782ee2845062196600f0115d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7732f805d11f66bb8d654efaa29a7b59ac7a24782ee2845062196600f0115d81", kill_on_drop: false }`
[INFO] [stdout] 7732f805d11f66bb8d654efaa29a7b59ac7a24782ee2845062196600f0115d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a320716ea9bebd4758cbb67aee7afda357fb7815c35d3b92bc80511aac06bd
[INFO] running `Command { std: "docker" "start" "-a" "61a320716ea9bebd4758cbb67aee7afda357fb7815c35d3b92bc80511aac06bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling drm-fourcc v2.1.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking gfx-renderdoc v0.1.0
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking external-memory v0.0.1
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `memory_requirements2`
[INFO] [stdout]    --> src/lib.rs:833:5
[INFO] [stdout]     |
[INFO] [stdout] 833 |     memory_requirements2: Option<ExtensionFn<vk::KhrGetMemoryRequirements2Fn>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory_requirements2`
[INFO] [stdout]    --> src/lib.rs:833:5
[INFO] [stdout]     |
[INFO] [stdout] 833 |     memory_requirements2: Option<ExtensionFn<vk::KhrGetMemoryRequirements2Fn>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `Command { std: "docker" "inspect" "61a320716ea9bebd4758cbb67aee7afda357fb7815c35d3b92bc80511aac06bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a320716ea9bebd4758cbb67aee7afda357fb7815c35d3b92bc80511aac06bd", kill_on_drop: false }`
[INFO] [stdout] 61a320716ea9bebd4758cbb67aee7afda357fb7815c35d3b92bc80511aac06bd