[INFO] fetching crate imgui-wgpu 0.6.0...
[INFO] checking imgui-wgpu-0.6.0 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate imgui-wgpu 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate imgui-wgpu 0.6.0 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imgui-wgpu 0.6.0
[INFO] finished tweaking crates.io crate imgui-wgpu 0.6.0
[INFO] tweaked toml for crates.io crate imgui-wgpu 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate imgui-wgpu 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 46428d5f2c8e774f5bd62c21aeece73a0aedd3db8e7734b890fbaae46eac00d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "46428d5f2c8e774f5bd62c21aeece73a0aedd3db8e7734b890fbaae46eac00d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking downcast-rs v1.1.1
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[INFO] [stderr]    Compiling num-derive v0.2.5
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[INFO] [stderr]     Checking futures-task v0.3.4
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[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
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[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
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[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking aho-corasick v0.7.10
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[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling imgui-sys v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
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[INFO] [stderr]    Compiling wayland-scanner v0.23.6
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[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
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[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking imgui v0.3.0
[INFO] [stderr]     Checking gfx-memory v0.1.3
[INFO] [stderr]     Checking gfx-descriptor v0.1.0
[INFO] [stderr]     Checking gfx-backend-empty v0.5.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking wgpu-types v0.5.0
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking imgui-winit-support v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.2
[INFO] [stderr]     Checking wgpu-core v0.5.0
[INFO] [stderr]     Checking wgpu-native v0.5.0
[INFO] [stderr]     Checking wgpu v0.5.0
[INFO] [stderr]     Checking imgui-wgpu v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `hidpi_factor` is never read
[INFO] [stderr]    --> examples/custom_textures.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 hidpi_factor = scale_factor;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hidpi_factor`
[INFO] [stderr]    --> examples/custom_textures.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 hidpi_factor = scale_factor;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `size` is never read
[INFO] [stderr]    --> examples/custom_textures.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 size = window.inner_size();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `sc_desc` is never read
[INFO] [stderr]    --> examples/custom_textures.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 sc_desc = wgpu::SwapChainDescriptor {
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `hidpi_factor` is never read
[INFO] [stderr]    --> examples/hello_world.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 hidpi_factor = scale_factor;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hidpi_factor`
[INFO] [stderr]    --> examples/hello_world.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 hidpi_factor = scale_factor;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `size` is never read
[INFO] [stderr]    --> examples/hello_world.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 size = window.inner_size();
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: value captured by `sc_desc` is never read
[INFO] [stderr]    --> examples/hello_world.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 sc_desc = wgpu::SwapChainDescriptor {
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `"docker" "inspect" "46428d5f2c8e774f5bd62c21aeece73a0aedd3db8e7734b890fbaae46eac00d4"`
[INFO] running `"docker" "rm" "-f" "46428d5f2c8e774f5bd62c21aeece73a0aedd3db8e7734b890fbaae46eac00d4"`
[INFO] [stdout] 46428d5f2c8e774f5bd62c21aeece73a0aedd3db8e7734b890fbaae46eac00d4