[INFO] fetching crate gfx-backend-empty 0.9.0...
[INFO] testing gfx-backend-empty-0.9.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate gfx-backend-empty 0.9.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gfx-backend-empty 0.9.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861d6c2856e026d8d8902b5d3a62a95d06bf30c1c0078bf32537578e9699e137
[INFO] running `Command { std: "docker" "start" "-a" "861d6c2856e026d8d8902b5d3a62a95d06bf30c1c0078bf32537578e9699e137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861d6c2856e026d8d8902b5d3a62a95d06bf30c1c0078bf32537578e9699e137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861d6c2856e026d8d8902b5d3a62a95d06bf30c1c0078bf32537578e9699e137", kill_on_drop: false }`
[INFO] [stdout] 861d6c2856e026d8d8902b5d3a62a95d06bf30c1c0078bf32537578e9699e137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dfdc68d3df7cdc3e995c40325f3a377cb50b2159fbb0118d9d41ee989e04fe5
[INFO] running `Command { std: "docker" "start" "-a" "4dfdc68d3df7cdc3e995c40325f3a377cb50b2159fbb0118d9d41ee989e04fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling external-memory v0.0.1
[INFO] [stderr]    Compiling naga v0.5.0
[INFO] [stderr]    Compiling gfx-hal v0.9.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "4dfdc68d3df7cdc3e995c40325f3a377cb50b2159fbb0118d9d41ee989e04fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfdc68d3df7cdc3e995c40325f3a377cb50b2159fbb0118d9d41ee989e04fe5", kill_on_drop: false }`
[INFO] [stdout] 4dfdc68d3df7cdc3e995c40325f3a377cb50b2159fbb0118d9d41ee989e04fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80efb8714e403daa1eba2878bb2558e84749dce6a891e149160409f7c0fb6db9
[INFO] running `Command { std: "docker" "start" "-a" "80efb8714e403daa1eba2878bb2558e84749dce6a891e149160409f7c0fb6db9", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "80efb8714e403daa1eba2878bb2558e84749dce6a891e149160409f7c0fb6db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80efb8714e403daa1eba2878bb2558e84749dce6a891e149160409f7c0fb6db9", kill_on_drop: false }`
[INFO] [stdout] 80efb8714e403daa1eba2878bb2558e84749dce6a891e149160409f7c0fb6db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a70db5c710a8f0c31fa69a5495e64addf281483124a0680f61716e606d06208e
[INFO] running `Command { std: "docker" "start" "-a" "a70db5c710a8f0c31fa69a5495e64addf281483124a0680f61716e606d06208e", kill_on_drop: false }`
[INFO] [stderr] warning: field `memory_type` is never read
[INFO] [stderr]   --> src/memory.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Memory {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 12 |     /// The type of memory this block was allocated from.
[INFO] [stderr] 13 |     memory_type: MemoryTypeId,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gfx-backend-empty` (lib) generated 1 warning
[INFO] [stderr] warning: `gfx-backend-empty` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gfx_backend_empty-2f27060997b8f502)
[INFO] [stderr]    Doc-tests gfx_backend_empty
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a70db5c710a8f0c31fa69a5495e64addf281483124a0680f61716e606d06208e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70db5c710a8f0c31fa69a5495e64addf281483124a0680f61716e606d06208e", kill_on_drop: false }`
[INFO] [stdout] a70db5c710a8f0c31fa69a5495e64addf281483124a0680f61716e606d06208e