[INFO] fetching crate gfx-backend-empty 0.9.0...
[INFO] checking gfx-backend-empty-0.9.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate gfx-backend-empty 0.9.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gfx-backend-empty 0.9.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9be1992d9bc8bae42d488760940b7f882a87636753486cbf52a5511a4954e27a
[INFO] running `Command { std: "docker" "start" "-a" "9be1992d9bc8bae42d488760940b7f882a87636753486cbf52a5511a4954e27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be1992d9bc8bae42d488760940b7f882a87636753486cbf52a5511a4954e27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be1992d9bc8bae42d488760940b7f882a87636753486cbf52a5511a4954e27a", kill_on_drop: false }`
[INFO] [stdout] 9be1992d9bc8bae42d488760940b7f882a87636753486cbf52a5511a4954e27a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbdb35da2c3bf00b8f843f673eb2d391553604eab6a99a865ba71b590cb487e4
[INFO] running `Command { std: "docker" "start" "-a" "dbdb35da2c3bf00b8f843f673eb2d391553604eab6a99a865ba71b590cb487e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[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 5.30s
[INFO] running `Command { std: "docker" "inspect" "dbdb35da2c3bf00b8f843f673eb2d391553604eab6a99a865ba71b590cb487e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdb35da2c3bf00b8f843f673eb2d391553604eab6a99a865ba71b590cb487e4", kill_on_drop: false }`
[INFO] [stdout] dbdb35da2c3bf00b8f843f673eb2d391553604eab6a99a865ba71b590cb487e4