[INFO] cloning repository https://github.com/flippette/mandelbrot-wgpu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flippette/mandelbrot-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Fmandelbrot-wgpu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Fmandelbrot-wgpu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e067e6cc0a5a5ed10e83a1c3713b69b68f7cbe7a [INFO] checking flippette/mandelbrot-wgpu against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Fmandelbrot-wgpu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/flippette/mandelbrot-wgpu on toolchain db0e836148accac8a22532e3596ac612b63c2d8e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/flippette/mandelbrot-wgpu [INFO] finished tweaking git repo https://github.com/flippette/mandelbrot-wgpu [INFO] tweaked toml for git repo https://github.com/flippette/mandelbrot-wgpu written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/flippette/mandelbrot-wgpu already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wgpu-core v0.16.0 [INFO] [stderr] Downloaded wgpu v0.16.0 [INFO] [stderr] Downloaded wgpu-hal v0.16.0 [INFO] [stderr] Downloaded naga v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8000d817bec1975f71f8114935efd2c3ac8c9374d55b06b840ca871b3bdc9b0 [INFO] running `Command { std: "docker" "start" "-a" "a8000d817bec1975f71f8114935efd2c3ac8c9374d55b06b840ca871b3bdc9b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8000d817bec1975f71f8114935efd2c3ac8c9374d55b06b840ca871b3bdc9b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8000d817bec1975f71f8114935efd2c3ac8c9374d55b06b840ca871b3bdc9b0", kill_on_drop: false }` [INFO] [stdout] a8000d817bec1975f71f8114935efd2c3ac8c9374d55b06b840ca871b3bdc9b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab0435ccc41e0293f661d098769f747f2102055b03b4dfffff027016d67ce9a1 [INFO] running `Command { std: "docker" "start" "-a" "ab0435ccc41e0293f661d098769f747f2102055b03b4dfffff027016d67ce9a1", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling khronos-egl v4.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking regex-syntax v0.7.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling ash v0.37.2+1.3.238 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Checking gpu-alloc-types v0.2.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking gpu-descriptor-types v0.1.1 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking bitflags v2.2.1 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Checking unicode-xid v0.2.4 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking hexf-parse v0.2.1 [INFO] [stderr] Checking wgpu-types v0.16.0 [INFO] [stderr] Checking gpu-alloc v0.5.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Checking libloading v0.8.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ab0435ccc41e0293f661d098769f747f2102055b03b4dfffff027016d67ce9a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab0435ccc41e0293f661d098769f747f2102055b03b4dfffff027016d67ce9a1", kill_on_drop: false }` [INFO] [stdout] ab0435ccc41e0293f661d098769f747f2102055b03b4dfffff027016d67ce9a1