[INFO] cloning repository https://github.com/Overpeek/mandelbrot-explorer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Overpeek/mandelbrot-explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverpeek%2Fmandelbrot-explorer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverpeek%2Fmandelbrot-explorer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b0eea577d308f834d1026388e61aa12bade8d0b3 [INFO] checking Overpeek/mandelbrot-explorer against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOverpeek%2Fmandelbrot-explorer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Overpeek/mandelbrot-explorer [INFO] finished tweaking git repo https://github.com/Overpeek/mandelbrot-explorer [INFO] tweaked toml for git repo https://github.com/Overpeek/mandelbrot-explorer written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Overpeek/mandelbrot-explorer on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Overpeek/mandelbrot-explorer 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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded once_cell v1.15.0 [INFO] [stderr] Downloaded x11-dl v2.20.0 [INFO] [stderr] Downloaded memmap2 v0.5.7 [INFO] [stderr] Downloaded calloop v0.10.1 [INFO] [stderr] Downloaded foreign-types-macros v0.2.2 [INFO] [stderr] Downloaded bumpalo v3.11.0 [INFO] [stderr] Downloaded integer-sqrt v0.1.5 [INFO] [stderr] Downloaded atomic_refcell v0.1.8 [INFO] [stderr] Downloaded ordered-float v3.2.0 [INFO] [stderr] Downloaded threadpool v1.8.1 [INFO] [stderr] Downloaded darling_macro v0.14.1 [INFO] [stderr] Downloaded futures-sink v0.3.24 [INFO] [stderr] Downloaded rapid-qoi v0.6.1 [INFO] [stderr] Downloaded cmake v0.1.48 [INFO] [stderr] Downloaded legion_codegen v0.4.0 [INFO] [stderr] Downloaded colorful v0.2.1 [INFO] [stderr] Downloaded either v1.8.0 [INFO] [stderr] Downloaded futures-core v0.3.24 [INFO] [stderr] Downloaded scoped-tls-hkt v0.1.2 [INFO] [stderr] Downloaded paste v1.0.9 [INFO] [stderr] Downloaded darling v0.14.1 [INFO] [stderr] Downloaded spin v0.9.4 [INFO] [stderr] Downloaded bytemuck_derive v1.2.1 [INFO] [stderr] Downloaded crossbeam-deque v0.8.2 [INFO] [stderr] Downloaded pin-project-internal v1.0.12 [INFO] [stderr] Downloaded bytemuck v1.12.1 [INFO] [stderr] Downloaded parking_lot_core v0.9.3 [INFO] [stderr] Downloaded az v1.2.1 [INFO] [stderr] Downloaded half v2.1.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.11 [INFO] [stderr] Downloaded smithay-client-toolkit v0.16.0 [INFO] [stderr] Downloaded env_logger v0.9.1 [INFO] [stderr] Downloaded indexmap v1.9.1 [INFO] [stderr] Downloaded crossfont v0.5.0 [INFO] [stderr] Downloaded darling_core v0.14.1 [INFO] [stderr] Downloaded rayon-core v1.9.3 [INFO] [stderr] Downloaded wgpu-types v0.14.0 [INFO] [stderr] Downloaded flate2 v1.0.24 [INFO] [stderr] Downloaded pin-project v1.0.12 [INFO] [stderr] Downloaded serde v1.0.145 [INFO] [stderr] Downloaded serde_derive v1.0.145 [INFO] [stderr] Downloaded uuid v1.2.1 [INFO] [stderr] Downloaded weezl v0.1.7 [INFO] [stderr] Downloaded png v0.17.6 [INFO] [stderr] Downloaded miniz_oxide v0.5.4 [INFO] [stderr] Downloaded crossbeam-utils v0.8.12 [INFO] [stderr] Downloaded fontdue v0.7.2 [INFO] [stderr] Downloaded fontsdf v0.5.0 [INFO] [stderr] Downloaded ttf-parser v0.15.2 [INFO] [stderr] Downloaded syn v1.0.102 [INFO] [stderr] Downloaded rayon v1.5.3 [INFO] [stderr] Downloaded wgpu-hal v0.14.0 [INFO] [stderr] Downloaded glam v0.21.3 [INFO] [stderr] Downloaded exr v1.5.2 [INFO] [stderr] Downloaded image v0.24.4 [INFO] [stderr] Downloaded rug v1.17.0 [INFO] [stderr] Downloaded ndk-sys v0.4.0 [INFO] [stderr] Downloaded winit v0.27.4 [INFO] [stderr] Downloaded ash v0.37.0+1.3.209 [INFO] [stderr] Downloaded libc v0.2.135 [INFO] [stderr] Downloaded gif v0.11.4 [INFO] [stderr] Downloaded tokio v1.21.2 [INFO] [stderr] Downloaded jpeg-decoder v0.2.6 [INFO] [stderr] Downloaded legion v0.4.0 [INFO] [stderr] Downloaded tiff v0.7.3 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.4.10 [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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad07891fc8772333c8074a4b8389872ea902aa311661d1b2b4b3bf7926a869ab [INFO] running `Command { std: "docker" "start" "-a" "ad07891fc8772333c8074a4b8389872ea902aa311661d1b2b4b3bf7926a869ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad07891fc8772333c8074a4b8389872ea902aa311661d1b2b4b3bf7926a869ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad07891fc8772333c8074a4b8389872ea902aa311661d1b2b4b3bf7926a869ab", kill_on_drop: false }` [INFO] [stdout] ad07891fc8772333c8074a4b8389872ea902aa311661d1b2b4b3bf7926a869ab [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 640223fb8acdd1b6e29e46c7fb5dcd951f6e96e540e16cd3c53acaf0a7d1b4bf [INFO] running `Command { std: "docker" "start" "-a" "640223fb8acdd1b6e29e46c7fb5dcd951f6e96e540e16cd3c53acaf0a7d1b4bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking libloading v0.7.3 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] Compiling xml-rs v0.8.4 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [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" "640223fb8acdd1b6e29e46c7fb5dcd951f6e96e540e16cd3c53acaf0a7d1b4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "640223fb8acdd1b6e29e46c7fb5dcd951f6e96e540e16cd3c53acaf0a7d1b4bf", kill_on_drop: false }` [INFO] [stdout] 640223fb8acdd1b6e29e46c7fb5dcd951f6e96e540e16cd3c53acaf0a7d1b4bf