[INFO] cloning repository https://github.com/Nek/wasm_synth_gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nek/wasm_synth_gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNek%2Fwasm_synth_gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNek%2Fwasm_synth_gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19931f3fc21aede7e0053ee588f294d7823e2bf9
[INFO] checking Nek/wasm_synth_gui against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNek%2Fwasm_synth_gui" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nek/wasm_synth_gui on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Nek/wasm_synth_gui
[INFO] finished tweaking git repo https://github.com/Nek/wasm_synth_gui
[INFO] tweaked toml for git repo https://github.com/Nek/wasm_synth_gui written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nek/wasm_synth_gui 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Nek/cpal`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dasp_slice v0.11.0
[INFO] [stderr]   Downloaded dasp_window v0.11.1
[INFO] [stderr]   Downloaded glicol_synth v0.12.8
[INFO] [stderr]   Downloaded wayland-egl v0.29.5
[INFO] [stderr]   Downloaded dasp_interpolate v0.11.0
[INFO] [stderr]   Downloaded dasp_ring_buffer v0.11.0
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.7
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded numeric-array v0.5.2
[INFO] [stderr]   Downloaded dasp_envelope v0.11.0
[INFO] [stderr]   Downloaded dasp_signal v0.11.0
[INFO] [stderr]   Downloaded clang-sys v1.4.0
[INFO] [stderr]   Downloaded glutin v0.29.1
[INFO] [stderr]   Downloaded eframe v0.19.0
[INFO] [stderr]   Downloaded calloop v0.10.1
[INFO] [stderr]   Downloaded ahash v0.8.0
[INFO] [stderr]   Downloaded crossfont v0.5.0
[INFO] [stderr]   Downloaded duplicate v0.4.1
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded egui_glow v0.19.0
[INFO] [stderr]   Downloaded emath v0.19.0
[INFO] [stderr]   Downloaded egui v0.19.0
[INFO] [stderr]   Downloaded rustfft v6.0.1
[INFO] [stderr]   Downloaded egui-winit v0.19.0
[INFO] [stderr]   Downloaded ndk-sys v0.4.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.17
[INFO] [stderr]   Downloaded transpose v0.2.1
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded winit v0.27.3
[INFO] [stderr]   Downloaded dasp_rms v0.11.0
[INFO] [stderr]   Downloaded ringbuf v0.3.0-rc.0
[INFO] [stderr]   Downloaded wasm_thread v0.2.0
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.2
[INFO] [stderr]   Downloaded rsor v0.1.3
[INFO] [stderr]   Downloaded dasp_peak v0.11.0
[INFO] [stderr]   Downloaded fundsp v0.9.0
[INFO] [stderr]   Downloaded epaint v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5934893b1002fd245395b94737f433bb078e9901efda726e6f215468a7811db3
[INFO] running `Command { std: "docker" "start" "-a" "5934893b1002fd245395b94737f433bb078e9901efda726e6f215468a7811db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5934893b1002fd245395b94737f433bb078e9901efda726e6f215468a7811db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5934893b1002fd245395b94737f433bb078e9901efda726e6f215468a7811db3", kill_on_drop: false }`
[INFO] [stdout] 5934893b1002fd245395b94737f433bb078e9901efda726e6f215468a7811db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b675670084e355fb9fad3f3b5b0be989f5e28426f2ba60e5b24b109579b1a1ec
[INFO] running `Command { std: "docker" "start" "-a" "b675670084e355fb9fad3f3b5b0be989f5e28426f2ba60e5b24b109579b1a1ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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 slotmap v1.0.6
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[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" "b675670084e355fb9fad3f3b5b0be989f5e28426f2ba60e5b24b109579b1a1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b675670084e355fb9fad3f3b5b0be989f5e28426f2ba60e5b24b109579b1a1ec", kill_on_drop: false }`
[INFO] [stdout] b675670084e355fb9fad3f3b5b0be989f5e28426f2ba60e5b24b109579b1a1ec