[INFO] fetching crate romy 0.2.0...
[INFO] checking romy-0.2.0 against beta for pr-78714
[INFO] extracting crate romy 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate romy 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate romy 0.2.0
[INFO] finished tweaking crates.io crate romy 0.2.0
[INFO] tweaked toml for crates.io crate romy 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate romy 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a77758a9f5160d724bec0f5bf1c513d2b0fe5cd25c3e183fee5b3a7d09f89ff8
[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" "a77758a9f5160d724bec0f5bf1c513d2b0fe5cd25c3e183fee5b3a7d09f89ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a77758a9f5160d724bec0f5bf1c513d2b0fe5cd25c3e183fee5b3a7d09f89ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77758a9f5160d724bec0f5bf1c513d2b0fe5cd25c3e183fee5b3a7d09f89ff8", kill_on_drop: false }`
[INFO] [stdout] a77758a9f5160d724bec0f5bf1c513d2b0fe5cd25c3e183fee5b3a7d09f89ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b82102529fa9ab71656377dbf6ab9e43b292c739b40b7005c6176513b657f3
[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" "80b82102529fa9ab71656377dbf6ab9e43b292c739b40b7005c6176513b657f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling cranelift-entity v0.44.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.44.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking cranelift-bforest v0.44.0
[INFO] [stderr]     Checking mut_static v5.0.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.44.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling blake2b_simd v0.5.9
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wasmer-runtime-core v0.12.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking indexmap v1.3.0
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking romy-core v0.2.0
[INFO] [stderr]     Checking gfx-backend-empty v0.4.0
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]    Compiling cranelift-codegen v0.44.0
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking romy-engine v0.2.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking gfx-backend-vulkan v0.4.0
[INFO] [stderr]     Checking wgpu-native v0.4.2
[INFO] [stderr]     Checking winit v0.20.0-alpha5
[INFO] [stderr]     Checking wgpu v0.4.0
[INFO] [stderr]     Checking romy-window v0.2.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.44.0
[INFO] [stderr]     Checking cranelift-native v0.44.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.44.0
[INFO] [stderr]     Checking wasmer-clif-backend v0.12.0
[INFO] [stderr]     Checking wasmer-runtime v0.12.0
[INFO] [stderr]     Checking romy-wasmer v0.2.0
[INFO] [stderr]     Checking romy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/exports.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |     static ref DATA: MutStatic<MemoryAllocator> = { MutStatic::from(MemoryAllocator::new()) };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/exports.rs:73:51
[INFO] [stdout]    |
[INFO] [stdout] 73 |     static ref DATA: MutStatic<MemoryAllocator> = { MutStatic::from(MemoryAllocator::new()) };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "80b82102529fa9ab71656377dbf6ab9e43b292c739b40b7005c6176513b657f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b82102529fa9ab71656377dbf6ab9e43b292c739b40b7005c6176513b657f3", kill_on_drop: false }`
[INFO] [stdout] 80b82102529fa9ab71656377dbf6ab9e43b292c739b40b7005c6176513b657f3