[INFO] fetching crate windancer 0.1.3...
[INFO] testing windancer-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate windancer 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate windancer 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate windancer 0.1.3
[INFO] tweaked toml for crates.io crate windancer 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate windancer 0.1.3 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] crate crates.io crate windancer 0.1.3 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c5ed9194db2a772ac33d25c40caae40ee35527dbbe767a1c9b2c454a74597764
[INFO] running `Command { std: "docker" "start" "-a" "c5ed9194db2a772ac33d25c40caae40ee35527dbbe767a1c9b2c454a74597764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ed9194db2a772ac33d25c40caae40ee35527dbbe767a1c9b2c454a74597764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ed9194db2a772ac33d25c40caae40ee35527dbbe767a1c9b2c454a74597764", kill_on_drop: false }`
[INFO] [stdout] c5ed9194db2a772ac33d25c40caae40ee35527dbbe767a1c9b2c454a74597764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 869f6ec6cd74e578021724971ba760476a06e44a4a1c918b144da044497028bd
[INFO] running `Command { std: "docker" "start" "-a" "869f6ec6cd74e578021724971ba760476a06e44a4a1c918b144da044497028bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling clap_builder v4.5.50
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rowan v0.15.17
[INFO] [stderr]    Compiling rowan v0.16.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling orgize v0.10.0-alpha.10
[INFO] [stderr]    Compiling chumsky v0.12.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling clap v4.5.50
[INFO] [stderr]    Compiling windancer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `windancer` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "869f6ec6cd74e578021724971ba760476a06e44a4a1c918b144da044497028bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869f6ec6cd74e578021724971ba760476a06e44a4a1c918b144da044497028bd", kill_on_drop: false }`
[INFO] [stdout] 869f6ec6cd74e578021724971ba760476a06e44a4a1c918b144da044497028bd
