[INFO] fetching crate kungfu 0.1.27...
[INFO] testing kungfu-0.1.27 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kungfu 0.1.27 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kungfu 0.1.27
[INFO] finished tweaking crates.io crate kungfu 0.1.27
[INFO] tweaked toml for crates.io crate kungfu 0.1.27 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kungfu 0.1.27 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kungfu 0.1.27 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b4897a1d16854fd9cebe978aec5f0fbd5e9fb3a5febc56225e69b96a03a3d6
[INFO] running `Command { std: "docker" "start" "-a" "40b4897a1d16854fd9cebe978aec5f0fbd5e9fb3a5febc56225e69b96a03a3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b4897a1d16854fd9cebe978aec5f0fbd5e9fb3a5febc56225e69b96a03a3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b4897a1d16854fd9cebe978aec5f0fbd5e9fb3a5febc56225e69b96a03a3d6", kill_on_drop: false }`
[INFO] [stdout] 40b4897a1d16854fd9cebe978aec5f0fbd5e9fb3a5febc56225e69b96a03a3d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2724d237443dbdfbfd29a2e76fdfd096e4b490016057d5a8d808e4f4b2ae2134
[INFO] running `Command { std: "docker" "start" "-a" "2724d237443dbdfbfd29a2e76fdfd096e4b490016057d5a8d808e4f4b2ae2134", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling async-trait v0.1.78
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling procfs v0.14.2
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling raw-cpuid v11.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]    Compiling moka v0.12.5
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling ioctl-sys v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling triomphe v0.1.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling pnet_sys v0.35.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quanta v0.12.2
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.35
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling pnet_packet v0.35.0
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling pnet_transport v0.35.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling ipnetwork v0.20.0
[INFO] [stderr]    Compiling serde_yaml v0.9.33
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling pnet_datalink v0.35.0
[INFO] [stderr]    Compiling hickory-proto v0.24.0
[INFO] [stderr]    Compiling fast-socks5 v0.9.5
[INFO] [stderr]    Compiling h2 v0.4.5
[INFO] [stderr]    Compiling tun v0.6.1
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hickory-resolver v0.24.0
[INFO] [stderr]    Compiling hyper-util v0.1.6
[INFO] [stderr]    Compiling hickory-server v0.24.0
[INFO] [stderr]    Compiling kungfu v0.1.27 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.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 `kungfu` (bin "kungfu") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2724d237443dbdfbfd29a2e76fdfd096e4b490016057d5a8d808e4f4b2ae2134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2724d237443dbdfbfd29a2e76fdfd096e4b490016057d5a8d808e4f4b2ae2134", kill_on_drop: false }`
[INFO] [stdout] 2724d237443dbdfbfd29a2e76fdfd096e4b490016057d5a8d808e4f4b2ae2134
