[INFO] fetching crate gfx-backend-gl 0.9.0...
[INFO] checking gfx-backend-gl-0.9.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate gfx-backend-gl 0.9.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gfx-backend-gl 0.9.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-gl 0.9.0
[INFO] finished tweaking crates.io crate gfx-backend-gl 0.9.0
[INFO] tweaked toml for crates.io crate gfx-backend-gl 0.9.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf6db7d6424ac6ec1449f9efe3838e7323a7b10c839a57e299b045081f905be4
[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" "bf6db7d6424ac6ec1449f9efe3838e7323a7b10c839a57e299b045081f905be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf6db7d6424ac6ec1449f9efe3838e7323a7b10c839a57e299b045081f905be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6db7d6424ac6ec1449f9efe3838e7323a7b10c839a57e299b045081f905be4", kill_on_drop: false }`
[INFO] [stdout] bf6db7d6424ac6ec1449f9efe3838e7323a7b10c839a57e299b045081f905be4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40eba86b69a006ed3c1702f27e4ae2104e45d655f51dd855bc29c3aabccfe9c7
[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" "40eba86b69a006ed3c1702f27e4ae2104e45d655f51dd855bc29c3aabccfe9c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking rose_tree v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stderr]     Checking external-memory v0.0.1
[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking gfx-backend-gl v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `downlevel`
[INFO] [stdout]    --> src/info.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_downlevel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `downlevel`
[INFO] [stdout]    --> src/info.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_downlevel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/info.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/info.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `framebuffer`
[INFO] [stdout]    --> src/command.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     framebuffer: Option<(FrameBufferTarget, n::RawFramebuffer)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active_attribs`
[INFO] [stdout]    --> src/command.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     active_attribs: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sampler_map`
[INFO] [stdout]    --> src/native.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub(crate) sampler_map: SamplerBindMap,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_levels`
[INFO] [stdout]    --> src/native.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub(crate) num_levels: i::Level,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_layers`
[INFO] [stdout]    --> src/native.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub(crate) num_layers: i::Layer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]    --> src/native.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `depth_stencil`
[INFO] [stdout]    --> src/native.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub(crate) depth_stencil: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/native.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub(crate) layout: DescriptorSetLayout,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_viewports`
[INFO] [stdout]   --> src/queue.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     num_viewports: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_scissors`
[INFO] [stdout]   --> src/queue.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     num_scissors: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `framebuffer`
[INFO] [stdout]    --> src/command.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     framebuffer: Option<(FrameBufferTarget, n::RawFramebuffer)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active_attribs`
[INFO] [stdout]    --> src/command.rs:377:5
[INFO] [stdout]     |
[INFO] [stdout] 377 |     active_attribs: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sampler_map`
[INFO] [stdout]    --> src/native.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub(crate) sampler_map: SamplerBindMap,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_levels`
[INFO] [stdout]    --> src/native.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub(crate) num_levels: i::Level,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_layers`
[INFO] [stdout]    --> src/native.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub(crate) num_layers: i::Layer,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `properties`
[INFO] [stdout]    --> src/native.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `depth_stencil`
[INFO] [stdout]    --> src/native.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub(crate) depth_stencil: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layout`
[INFO] [stdout]    --> src/native.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub(crate) layout: DescriptorSetLayout,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_viewports`
[INFO] [stdout]   --> src/queue.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     num_viewports: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_scissors`
[INFO] [stdout]   --> src/queue.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     num_scissors: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `Command { std: "docker" "inspect" "40eba86b69a006ed3c1702f27e4ae2104e45d655f51dd855bc29c3aabccfe9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40eba86b69a006ed3c1702f27e4ae2104e45d655f51dd855bc29c3aabccfe9c7", kill_on_drop: false }`
[INFO] [stdout] 40eba86b69a006ed3c1702f27e4ae2104e45d655f51dd855bc29c3aabccfe9c7