[INFO] fetching crate usbip-rs 0.1.0-rc1...
[INFO] testing usbip-rs-0.1.0-rc1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate usbip-rs 0.1.0-rc1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate usbip-rs 0.1.0-rc1
[INFO] finished tweaking crates.io crate usbip-rs 0.1.0-rc1
[INFO] tweaked toml for crates.io crate usbip-rs 0.1.0-rc1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbip-rs 0.1.0-rc1 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 usbip-rs 0.1.0-rc1 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] 51b97ea3b25067f46d350bef659047e33cb91f7e7205a4fc9ed661a351623810
[INFO] running `Command { std: "docker" "start" "-a" "51b97ea3b25067f46d350bef659047e33cb91f7e7205a4fc9ed661a351623810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b97ea3b25067f46d350bef659047e33cb91f7e7205a4fc9ed661a351623810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b97ea3b25067f46d350bef659047e33cb91f7e7205a4fc9ed661a351623810", kill_on_drop: false }`
[INFO] [stdout] 51b97ea3b25067f46d350bef659047e33cb91f7e7205a4fc9ed661a351623810
[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] 08a2e0d62d95c3886cc80beddb4d5179a875402999ebf31bdd8cbd5cca149618
[INFO] running `Command { std: "docker" "start" "-a" "08a2e0d62d95c3886cc80beddb4d5179a875402999ebf31bdd8cbd5cca149618", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling usb-ids v1.2025.2
[INFO] [stderr]    Compiling endian_codec_derive v0.1.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling endian_codec v0.1.1
[INFO] [stderr]    Compiling udev v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling sscanf_macro v0.4.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling num_enum v0.7.5
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling sscanf v0.4.4
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling usbip-rs v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `usbip-rs` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08a2e0d62d95c3886cc80beddb4d5179a875402999ebf31bdd8cbd5cca149618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a2e0d62d95c3886cc80beddb4d5179a875402999ebf31bdd8cbd5cca149618", kill_on_drop: false }`
[INFO] [stdout] 08a2e0d62d95c3886cc80beddb4d5179a875402999ebf31bdd8cbd5cca149618
