[INFO] fetching crate veccentric 0.3.1...
[INFO] checking veccentric-0.3.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate veccentric 0.3.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate veccentric 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate veccentric 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate veccentric 0.3.1
[INFO] tweaked toml for crates.io crate veccentric 0.3.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate veccentric 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 winit_input_helper v0.10.0
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.9.0
[INFO] [stderr]   Downloaded slotmap v0.4.3
[INFO] [stderr]   Downloaded ultraviolet v0.8.1
[INFO] [stderr]   Downloaded d3d12 v0.4.1
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded wgpu v0.9.0
[INFO] [stderr]   Downloaded wide v0.6.5
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.9.0
[INFO] [stderr]   Downloaded wgpu-core v0.9.2
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded thunderdome v0.4.1
[INFO] [stderr]   Downloaded metal v0.23.1
[INFO] [stderr]   Downloaded external-memory v0.0.1
[INFO] [stderr]   Downloaded gfx-backend-gl v0.9.0
[INFO] [stderr]   Downloaded naga v0.5.0
[INFO] [stderr]   Downloaded renderdoc-sys v0.7.1
[INFO] [stderr]   Downloaded rose_tree v0.2.0
[INFO] [stderr]   Downloaded pixels v0.5.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.9.1
[INFO] [stderr]   Downloaded safe_arch v0.5.2
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.9.1
[INFO] [stderr]   Downloaded gfx-auxil v0.10.0
[INFO] [stderr]   Downloaded glow v0.9.0
[INFO] [stderr]   Downloaded khronos-egl v4.1.0
[INFO] [stderr]   Downloaded gfx-renderdoc v0.1.0
[INFO] [stderr]   Downloaded gfx-hal v0.9.0
[INFO] [stderr]   Downloaded gpu-alloc v0.4.7
[INFO] [stderr]   Downloaded wgpu-types v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ce2738197e66b9b0d83eb3d3e10ae9b4ac160534ef1492e90e04f165b6c0b96
[INFO] running `Command { std: "docker" "start" "-a" "5ce2738197e66b9b0d83eb3d3e10ae9b4ac160534ef1492e90e04f165b6c0b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce2738197e66b9b0d83eb3d3e10ae9b4ac160534ef1492e90e04f165b6c0b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce2738197e66b9b0d83eb3d3e10ae9b4ac160534ef1492e90e04f165b6c0b96", kill_on_drop: false }`
[INFO] [stdout] 5ce2738197e66b9b0d83eb3d3e10ae9b4ac160534ef1492e90e04f165b6c0b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c60d6c83c110e93a4b7b2bbf9f33806cdf9c4f867516d2ea6f47bd3556a41f3
[INFO] running `Command { std: "docker" "start" "-a" "7c60d6c83c110e93a4b7b2bbf9f33806cdf9c4f867516d2ea6f47bd3556a41f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking profiling v1.0.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]     Checking veccentric v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.9.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg, auto_traits, negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]    Compiling wgpu-core v0.9.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr] error: could not compile `veccentric` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c60d6c83c110e93a4b7b2bbf9f33806cdf9c4f867516d2ea6f47bd3556a41f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c60d6c83c110e93a4b7b2bbf9f33806cdf9c4f867516d2ea6f47bd3556a41f3", kill_on_drop: false }`
[INFO] [stdout] 7c60d6c83c110e93a4b7b2bbf9f33806cdf9c4f867516d2ea6f47bd3556a41f3
