[INFO] fetching crate lufa-rs 0.1.1...
[INFO] testing lufa-rs-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate lufa-rs 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate lufa-rs 0.1.1
[INFO] finished tweaking crates.io crate lufa-rs 0.1.1
[INFO] tweaked toml for crates.io crate lufa-rs 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lufa-rs 0.1.1 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 lufa-rs 0.1.1 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 bitflags v2.9.3
[INFO] [stderr]   Downloaded env_home v0.1.0
[INFO] [stderr]   Downloaded lufa-rs-macros v0.1.0
[INFO] [stderr]   Downloaded which v8.0.0
[INFO] [stderr]   Downloaded cc v1.2.34
[INFO] [stderr]   Downloaded bindgen v0.72.0
[INFO] [stderr]   Downloaded winsafe v0.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4
[INFO] running `Command { std: "docker" "start" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4", 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" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4" "/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" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4", 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" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling bindgen v0.72.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v8.0.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling lufa-rs-macros v0.1.0
[INFO] [stderr]    Compiling lufa-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trim_prefix_suffix, string_remove_matches)]
[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 `lufa-rs` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4", kill_on_drop: false }`
[INFO] [stdout] 317edeafd07e86db134f34412702d1389a59cfcdb6f265af55c385d2ad7784f4
