[INFO] fetching crate pipec 0.2.1...
[INFO] testing pipec-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pipec 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate pipec 0.2.1
[INFO] finished tweaking crates.io crate pipec 0.2.1
[INFO] tweaked toml for crates.io crate pipec 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipec 0.2.1 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 pipec 0.2.1 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 83ff6d9372c3d70aa19c5d58a04b78759b4306ae8363890f66b08590cf25e00a
[INFO] running `Command { std: "docker" "start" "-a" "83ff6d9372c3d70aa19c5d58a04b78759b4306ae8363890f66b08590cf25e00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ff6d9372c3d70aa19c5d58a04b78759b4306ae8363890f66b08590cf25e00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ff6d9372c3d70aa19c5d58a04b78759b4306ae8363890f66b08590cf25e00a", kill_on_drop: false }`
[INFO] [stdout] 83ff6d9372c3d70aa19c5d58a04b78759b4306ae8363890f66b08590cf25e00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6afd08f66ae73dcb6ce7960bb46a90c6abf3594c6c59b2208827ddd886a0557c
[INFO] running `Command { std: "docker" "start" "-a" "6afd08f66ae73dcb6ce7960bb46a90c6abf3594c6c59b2208827ddd886a0557c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lru v0.14.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling unicode-truncate v2.0.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling line-clipping v0.3.3
[INFO] [stderr]    Compiling peginator_codegen v0.7.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling peginator v0.7.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling tree-sitter-language v0.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling tree-sitter-bash v0.25.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling kasuari v0.4.7
[INFO] [stderr]    Compiling tree-sitter v0.25.8
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pipec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling filedescriptor v0.8.3
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling ratatui-core v0.1.0-alpha.6
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling ratatui-widgets v0.3.0-alpha.5
[INFO] [stderr]    Compiling ratatui-crossterm v0.1.0-alpha.5
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling ratatui-macros v0.7.0-alpha.4
[INFO] [stderr]    Compiling ratatui v0.30.0-alpha.5
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling arboard v3.6.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tui-input v0.12.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling tree-sitter-highlight v0.25.8
[INFO] [stderr]    Compiling async-tempfile v0.7.0
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling append-only-bytes v0.1.12
[INFO] [stderr]    Compiling recycle_vec v1.1.2
[INFO] [stderr]    Compiling env_logger v0.11.8
[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(result_option_map_or_default, box_patterns, import_trait_associated_functions, exit_status_error)]
[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 `pipec` (bin "pipec") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6afd08f66ae73dcb6ce7960bb46a90c6abf3594c6c59b2208827ddd886a0557c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afd08f66ae73dcb6ce7960bb46a90c6abf3594c6c59b2208827ddd886a0557c", kill_on_drop: false }`
[INFO] [stdout] 6afd08f66ae73dcb6ce7960bb46a90c6abf3594c6c59b2208827ddd886a0557c