[INFO] fetching crate ribir_core 0.0.1-alpha.5...
[INFO] documenting ribir_core-0.0.1-alpha.5 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ribir_core 0.0.1-alpha.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ribir_core 0.0.1-alpha.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ribir_core 0.0.1-alpha.5
[INFO] finished tweaking crates.io crate ribir_core 0.0.1-alpha.5
[INFO] tweaked toml for crates.io crate ribir_core 0.0.1-alpha.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usvg-parser v0.33.0
[INFO] [stderr]   Downloaded usvg v0.33.0
[INFO] [stderr]   Downloaded memmap2 v0.6.2
[INFO] [stderr]   Downloaded gethostname v0.3.0
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[INFO] [stderr]   Downloaded arboard v3.3.0
[INFO] [stderr]   Downloaded indextree v4.6.0
[INFO] [stderr]   Downloaded fontdb v0.14.1
[INFO] [stderr]   Downloaded ttf-parser v0.18.1
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[INFO] [stderr]   Downloaded orbclient v0.3.47
[INFO] [stderr]   Downloaded svgtypes v0.11.0
[INFO] [stderr]   Downloaded usvg-tree v0.33.0
[INFO] [stderr]   Downloaded ribir_macros v0.0.1-alpha.5
[INFO] [stderr]   Downloaded ribir_builtin v0.0.1-alpha.5
[INFO] [stderr]   Downloaded ribir_geom v0.0.1-alpha.5
[INFO] [stderr]   Downloaded ribir_algo v0.0.1-alpha.5
[INFO] [stderr]   Downloaded ribir_painter v0.0.1-alpha.5
[INFO] [stderr]   Downloaded material-color-utilities-rs v0.2.1
[INFO] [stderr]   Downloaded rosvgtree v0.3.0
[INFO] [stderr]   Downloaded rxrust v1.0.0-beta.7
[INFO] [stderr]   Downloaded ribir_text v0.0.1-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23085646fb82dacfbfd7f04ff3ff02d6d553f6f35b7464eaaee0b9f6442d5ea3
[INFO] running `Command { std: "docker" "start" "-a" "23085646fb82dacfbfd7f04ff3ff02d6d553f6f35b7464eaaee0b9f6442d5ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23085646fb82dacfbfd7f04ff3ff02d6d553f6f35b7464eaaee0b9f6442d5ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23085646fb82dacfbfd7f04ff3ff02d6d553f6f35b7464eaaee0b9f6442d5ea3", kill_on_drop: false }`
[INFO] [stdout] 23085646fb82dacfbfd7f04ff3ff02d6d553f6f35b7464eaaee0b9f6442d5ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5f441e980ae7de9734e3b940600e942097537456ead1be53957f064164747a
[INFO] running `Command { std: "docker" "start" "-a" "cb5f441e980ae7de9734e3b940600e942097537456ead1be53957f064164747a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]     Checking arrayvec v0.7.4
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[INFO] [stderr]    Compiling num-iter v0.1.43
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[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking libloading v0.8.1
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[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]     Checking dlib v0.5.2
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[INFO] [stderr]    Compiling wayland-protocols v0.29.5
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[INFO] [stderr]    Compiling tiny-skia-path v0.11.3
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[INFO] [stderr]     Checking material-color-utilities-rs v0.2.1
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[INFO] [stderr]     Checking gethostname v0.3.0
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[INFO] [stderr]     Checking ttf-parser v0.18.1
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[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking indextree v4.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling ribir_builtin v0.0.1-alpha.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking fontdb v0.14.1
[INFO] [stderr]     Checking rustybuzz v0.7.0
[INFO] [stderr]    Compiling ribir_macros v0.0.1-alpha.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking arboard v3.3.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rxrust v1.0.0-beta.7
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking ribir_algo v0.0.1-alpha.5
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking lyon_geom v1.0.5
[INFO] [stderr]     Checking ribir_geom v0.0.1-alpha.5
[INFO] [stderr]     Checking lyon_path v1.0.4
[INFO] [stderr]     Checking lyon_algorithms v1.0.4
[INFO] [stderr]     Checking ribir_painter v0.0.1-alpha.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ribir_painter-0.0.1-alpha.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_floating_point_arithmetic, test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ribir_painter-0.0.1-alpha.5/src/lib.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_floating_point_arithmetic, test)]
[INFO] [stdout]   |                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ribir_painter` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cb5f441e980ae7de9734e3b940600e942097537456ead1be53957f064164747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f441e980ae7de9734e3b940600e942097537456ead1be53957f064164747a", kill_on_drop: false }`
[INFO] [stdout] cb5f441e980ae7de9734e3b940600e942097537456ead1be53957f064164747a
