[INFO] fetching crate dioxus-html-macro 0.3.0...
[INFO] testing dioxus-html-macro-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate dioxus-html-macro 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dioxus-html-macro 0.3.0
[INFO] finished tweaking crates.io crate dioxus-html-macro 0.3.0
[INFO] tweaked toml for crates.io crate dioxus-html-macro 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dioxus-html-macro 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dioxus-html-macro 0.3.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-implement v0.39.0
[INFO] [stderr]   Downloaded windows-tokens v0.39.0
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded webview2-com v0.19.1
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded trybuild v1.0.63
[INFO] [stderr]   Downloaded cfg-expr v0.9.1
[INFO] [stderr]   Downloaded execute v0.2.12
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[INFO] [stderr]   Downloaded execute-command-tokens v0.1.6
[INFO] [stderr]   Downloaded gtk3-macros v0.15.6
[INFO] [stderr]   Downloaded dioxus-hot-reload v0.1.1
[INFO] [stderr]   Downloaded webview2-com-macros v0.6.0
[INFO] [stderr]   Downloaded dioxus v0.3.2
[INFO] [stderr]   Downloaded dioxus-interpreter-js v0.3.1
[INFO] [stderr]   Downloaded dioxus-core-macro v0.3.0
[INFO] [stderr]   Downloaded system-deps v5.0.0
[INFO] [stderr]   Downloaded dioxus-rsx v0.0.3
[INFO] [stderr]   Downloaded smallbox v0.8.1
[INFO] [stderr]   Downloaded blocking v1.3.1
[INFO] [stderr]   Downloaded enumset_derive v0.8.0
[INFO] [stderr]   Downloaded infer v0.11.0
[INFO] [stderr]   Downloaded dioxus-rsx v0.0.2
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded javascriptcore-rs v0.16.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.15.1
[INFO] [stderr]   Downloaded keyboard-types v0.6.2
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.1
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[INFO] [stderr]   Downloaded dioxus-hooks v0.3.0
[INFO] [stderr]   Downloaded kuchiki v0.8.1
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[INFO] [stderr]   Downloaded soup2-sys v0.2.0
[INFO] [stderr]   Downloaded webbrowser v0.8.9
[INFO] [stderr]   Downloaded dioxus-html v0.3.1
[INFO] [stderr]   Downloaded glib-sys v0.15.10
[INFO] [stderr]   Downloaded dioxus-desktop v0.3.0
[INFO] [stderr]   Downloaded gdk v0.15.4
[INFO] [stderr]   Downloaded dioxus-core v0.3.3
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[INFO] [stderr]   Downloaded interprocess v1.2.1
[INFO] [stderr]   Downloaded bumpalo v3.12.2
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[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d06a0253116a1d15773a1a954b4fb2eaf0042511cdaa6a6be2f7b29c02faec36
[INFO] running `Command { std: "docker" "start" "-a" "d06a0253116a1d15773a1a954b4fb2eaf0042511cdaa6a6be2f7b29c02faec36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06a0253116a1d15773a1a954b4fb2eaf0042511cdaa6a6be2f7b29c02faec36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06a0253116a1d15773a1a954b4fb2eaf0042511cdaa6a6be2f7b29c02faec36", kill_on_drop: false }`
[INFO] [stdout] d06a0253116a1d15773a1a954b4fb2eaf0042511cdaa6a6be2f7b29c02faec36
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 68cba701e99e8e6f5a1a54726c912adc01fdee38344ad4f81b263e47c0ea2a77
[INFO] running `Command { std: "docker" "start" "-a" "68cba701e99e8e6f5a1a54726c912adc01fdee38344ad4f81b263e47c0ea2a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bumpalo v3.12.2
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling smallbox v0.8.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling longest-increasing-subsequence v0.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling indexmap v1.9.1
[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] [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" "68cba701e99e8e6f5a1a54726c912adc01fdee38344ad4f81b263e47c0ea2a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cba701e99e8e6f5a1a54726c912adc01fdee38344ad4f81b263e47c0ea2a77", kill_on_drop: false }`
[INFO] [stdout] 68cba701e99e8e6f5a1a54726c912adc01fdee38344ad4f81b263e47c0ea2a77