[INFO] fetching crate rusvid_effect 0.2.1...
[INFO] testing rusvid_effect-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusvid_effect 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rusvid_effect 0.2.1
[INFO] finished tweaking crates.io crate rusvid_effect 0.2.1
[INFO] tweaked toml for crates.io crate rusvid_effect 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusvid_effect 0.2.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 182 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa5e0ac677a8739af96cd329402eeadb70cb5e178b6e10b0fe6dbc45b990fda0
[INFO] running `Command { std: "docker" "start" "-a" "fa5e0ac677a8739af96cd329402eeadb70cb5e178b6e10b0fe6dbc45b990fda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa5e0ac677a8739af96cd329402eeadb70cb5e178b6e10b0fe6dbc45b990fda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5e0ac677a8739af96cd329402eeadb70cb5e178b6e10b0fe6dbc45b990fda0", kill_on_drop: false }`
[INFO] [stdout] fa5e0ac677a8739af96cd329402eeadb70cb5e178b6e10b0fe6dbc45b990fda0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384d56fc3bce5d4db8264873319c62ac732127d2a2d28d0c1bd11bcbe339168e
[INFO] running `Command { std: "docker" "start" "-a" "384d56fc3bce5d4db8264873319c62ac732127d2a2d28d0c1bd11bcbe339168e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling roxmltree v0.15.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling svgtypes v0.8.2
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling accurate v0.3.1
[INFO] [stderr]    Compiling rstar v0.9.3
[INFO] [stderr]    Compiling simplecss v0.2.2
[INFO] [stderr]    Compiling data-url v0.2.0
[INFO] [stderr]    Compiling rctree v0.5.0
[INFO] [stderr]    Compiling imagesize v0.10.1
[INFO] [stderr]    Compiling geo-types v0.7.19
[INFO] [stderr]    Compiling geographiclib-rs v0.2.7
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling float_next_after v0.1.5
[INFO] [stderr]    Compiling usvg v0.28.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling rgb v0.8.53
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling roots v0.0.7
[INFO] [stderr]    Compiling thin-vec v0.2.16
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling robust v0.2.3
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling flo_curves v0.6.1
[INFO] [stderr]    Compiling geo v0.23.1
[INFO] [stderr]    Compiling glam v0.22.0
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling resvg v0.28.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling rhai_codegen v3.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rhai v1.24.0
[INFO] [stderr]    Compiling rusvid_core v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusvid_core-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_array_chunks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusvid_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "384d56fc3bce5d4db8264873319c62ac732127d2a2d28d0c1bd11bcbe339168e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384d56fc3bce5d4db8264873319c62ac732127d2a2d28d0c1bd11bcbe339168e", kill_on_drop: false }`
[INFO] [stdout] 384d56fc3bce5d4db8264873319c62ac732127d2a2d28d0c1bd11bcbe339168e
