[INFO] fetching crate gfx-backend-empty 0.9.0...
[INFO] checking gfx-backend-empty-0.9.0 against master#8f43b85954d2f3d8fc00a7504c603e5ca9eb0695 for pr-133502-5
[INFO] extracting crate gfx-backend-empty 0.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gfx-backend-empty 0.9.0 on toolchain 8f43b85954d2f3d8fc00a7504c603e5ca9eb0695
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-empty 0.9.0
[INFO] finished tweaking crates.io crate gfx-backend-empty 0.9.0
[INFO] tweaked toml for crates.io crate gfx-backend-empty 0.9.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding raw-window-handle v0.3.4 (available: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-handle v0.4.3
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded external-memory v0.0.1
[INFO] [stderr]   Downloaded cty v0.2.2
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded gfx-hal v0.9.0
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded naga v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a2df6cd52d815814f03de9919e12e78815eb10b2913919d09e55e490bc2d45
[INFO] running `Command { std: "docker" "start" "-a" "d6a2df6cd52d815814f03de9919e12e78815eb10b2913919d09e55e490bc2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a2df6cd52d815814f03de9919e12e78815eb10b2913919d09e55e490bc2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a2df6cd52d815814f03de9919e12e78815eb10b2913919d09e55e490bc2d45", kill_on_drop: false }`
[INFO] [stdout] d6a2df6cd52d815814f03de9919e12e78815eb10b2913919d09e55e490bc2d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8306f1bafc5a35561738f32d8f123101a7469235a07fe1092645f209fbd77f
[INFO] running `Command { std: "docker" "start" "-a" "7b8306f1bafc5a35561738f32d8f123101a7469235a07fe1092645f209fbd77f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[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-empty v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `memory_type` is never read
[INFO] [stdout]   --> src/memory.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Memory {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 12 |     /// The type of memory this block was allocated from.
[INFO] [stdout] 13 |     memory_type: MemoryTypeId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `memory_type` is never read
[INFO] [stdout]   --> src/memory.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Memory {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 12 |     /// The type of memory this block was allocated from.
[INFO] [stdout] 13 |     memory_type: MemoryTypeId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "7b8306f1bafc5a35561738f32d8f123101a7469235a07fe1092645f209fbd77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8306f1bafc5a35561738f32d8f123101a7469235a07fe1092645f209fbd77f", kill_on_drop: false }`
[INFO] [stdout] 7b8306f1bafc5a35561738f32d8f123101a7469235a07fe1092645f209fbd77f