[INFO] fetching crate stroke 0.3.0...
[INFO] testing stroke-0.3.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate stroke 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate stroke 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stroke 0.3.0
[INFO] tweaked toml for crates.io crate stroke 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stroke 0.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stroke 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.93
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.93
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.93
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.93
[INFO] [stderr]   Downloaded dwrote v0.11.1
[INFO] [stderr]   Downloaded core-text v20.1.0
[INFO] [stderr]   Downloaded js-sys v0.3.70
[INFO] [stderr]   Downloaded bytemuck v1.18.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.4
[INFO] [stderr]   Downloaded pkg-config v0.3.31
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded cc v1.1.22
[INFO] [stderr]   Downloaded miniz_oxide v0.7.4
[INFO] [stderr]   Downloaded fdeflate v0.3.5
[INFO] [stderr]   Downloaded png v0.17.13
[INFO] [stderr]   Downloaded font-kit v0.14.2
[INFO] [stderr]   Downloaded syn v2.0.78
[INFO] [stderr]   Downloaded web-sys v0.3.70
[INFO] [stderr]   Downloaded nalgebra v0.34.1
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded libc v0.2.159
[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[INFO] [stderr]   Downloaded image v0.24.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b
[INFO] running `Command { std: "docker" "start" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling stroke v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(generic_const_exprs)]
[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 `stroke` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b", kill_on_drop: false }`
[INFO] [stdout] 37a63091cf41889dfc35931e532f0e10fd27298f3dcfb728e45f67bcc856f52b
